49232065689 has 9 divisors (see below), whose sum is σ = 71113945279. Its totient is φ = 32820933360.

The previous prime is 49232065679. The next prime is 49232065699. The reversal of 49232065689 is 98656023294.

It is a happy number.

The square root of 49232065689 is 221883.

It is a perfect power (a square), and thus also a powerful number.

49232065689 is a `hidden beast` number, since 49 + 2 + 32 + 0 + 6 + 568 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (49232065679) and next prime (49232065699).

It can be written as a sum of positive squares in only one way, i.e., 45064072089 + 4167993600 = 212283^2 + 64560^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 49232065689 - 2⁵ = 49232065657 is a prime.

It is a super-3 number, since 3×49232065689³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49232065609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 628669 + ... + 702629.

Almost surely, 2^49232065689 is an apocalyptic number.

49232065689 is the 221883-rd square number.

49232065689 is the 110942-nd centered octagonal number.

It is an amenable number.

49232065689 is a deficient number, since it is larger than the sum of its proper divisors (21881879590).

49232065689 is an frugal number, since it uses more digits than its factorization.

49232065689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147928 (or 73964 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

It can be divided in two parts, 492320 and 65689, that added together give a square (558009 = 747²).

The spelling of 49232065689 in words is "forty-nine billion, two hundred thirty-two million, sixty-five thousand, six hundred eighty-nine".