65496852657 has 6 divisors (see below), whose sum is σ = 94606564962. Its totient is φ = 43664568432.

The previous prime is 65496852647. The next prime is 65496852661. The reversal of 65496852657 is 75625869456.

It is a happy number.

65496852657 is a `hidden beast` number, since 6 + 5 + 49 + 68 + 526 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64114797681 + 1382054976 = 253209^2 + 37176^2 .

It is not a de Polignac number, because 65496852657 - 2¹⁵ = 65496819889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65496852594 and 65496852603.

It is not an unprimeable number, because it can be changed into a prime (65496852637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3638714028 + ... + 3638714045.

It is an arithmetic number, because the mean of its divisors is an integer number (15767760827).

Almost surely, 2^65496852657 is an apocalyptic number.

It is an amenable number.

65496852657 is a deficient number, since it is larger than the sum of its proper divisors (29109712305).

65496852657 is a wasteful number, since it uses less digits than its factorization.

65496852657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277428079 (or 7277428076 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 65496852657 in words is "sixty-five billion, four hundred ninety-six million, eight hundred fifty-two thousand, six hundred fifty-seven".