65757883489 has 9 divisors (see below), whose sum is σ = 66037293777. Its totient is φ = 65479653684.

The previous prime is 65757883469. The next prime is 65757883493. The reversal of 65757883489 is 98438875756.

The square root of 65757883489 is 256433.

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

It is not a de Polignac number, because 65757883489 - 2³¹ = 63610399841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65757883469) 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, 88981882 + ... + 88982620.

Almost surely, 2^65757883489 is an apocalyptic number.

65757883489 is the 256433-rd square number.

65757883489 is the 128217-th centered octagonal number.

It is an amenable number.

65757883489 is a deficient number, since it is larger than the sum of its proper divisors (279410288).

65757883489 is an frugal number, since it uses more digits than its factorization.

65757883489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 1086 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 70.

The spelling of 65757883489 in words is "sixty-five billion, seven hundred fifty-seven million, eight hundred eighty-three thousand, four hundred eighty-nine".