64957853501 has 4 divisors (see below), whose sum is σ = 65564936352. Its totient is φ = 64350770652.

The previous prime is 64957853489. The next prime is 64957853539. The reversal of 64957853501 is 10535875946.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64957853501 - 2³⁰ = 63884111677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64957853591) 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 3 ways as a sum of consecutive naturals, for example, 303541265 + ... + 303541478.

It is an arithmetic number, because the mean of its divisors is an integer number (16391234088).

Almost surely, 2^64957853501 is an apocalyptic number.

It is an amenable number.

64957853501 is a deficient number, since it is larger than the sum of its proper divisors (607082851).

64957853501 is a wasteful number, since it uses less digits than its factorization.

64957853501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607082850.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 64957853501 in words is "sixty-four billion, nine hundred fifty-seven million, eight hundred fifty-three thousand, five hundred one".