65953835957 has 16 divisors (see below), whose sum is σ = 68224550400. Its totient is φ = 63732439680.

The previous prime is 65953835951. The next prime is 65953835963. The reversal of 65953835957 is 75953835956.

It is an interprime number because it is at equal distance from previous prime (65953835951) and next prime (65953835963).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65953835957 is a prime.

It is a super-2 number, since 2×65953835957² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65953835893 and 65953835902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65953835951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725519 + ... + 811347.

It is an arithmetic number, because the mean of its divisors is an integer number (4264034400).

Almost surely, 2^65953835957 is an apocalyptic number.

It is an amenable number.

65953835957 is a deficient number, since it is larger than the sum of its proper divisors (2270714443).

65953835957 is a wasteful number, since it uses less digits than its factorization.

65953835957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86116.

The product of its digits is 153090000, while the sum is 65.

Subtracting 65953835957 from its reverse (75953835956), we obtain a palindrome (9999999999).

The spelling of 65953835957 in words is "sixty-five billion, nine hundred fifty-three million, eight hundred thirty-five thousand, nine hundred fifty-seven".