48665683609 has 9 divisors (see below), whose sum is σ = 50408303647. Its totient is φ = 46981379704.

The previous prime is 48665683603. The next prime is 48665683637. The reversal of 48665683609 is 90638656684.

The square root of 48665683609 is 220603.

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

It can be written as a sum of positive squares in only one way, i.e., 25519104009 + 23146579600 = 159747^2 + 152140^2 .

It is not a de Polignac number, because 48665683609 - 2⁷ = 48665683481 is a prime.

It is a super-2 number, since 2×48665683609² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48665683603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6393684 + ... + 6401290.

Almost surely, 2^48665683609 is an apocalyptic number.

48665683609 is the 220603-rd square number.

48665683609 is the 110302-nd centered octagonal number.

It is an amenable number.

48665683609 is a deficient number, since it is larger than the sum of its proper divisors (1742620038).

48665683609 is an frugal number, since it uses more digits than its factorization.

48665683609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15272 (or 7636 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 48665683609 in words is "forty-eight billion, six hundred sixty-five million, six hundred eighty-three thousand, six hundred nine".