64323802957 has 8 divisors (see below), whose sum is σ = 66067439616. Its totient is φ = 62580437712.

The previous prime is 64323802913. The next prime is 64323802969. The reversal of 64323802957 is 75920832346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64323802957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64323802957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64323805957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469428 + ... + 590770.

It is an arithmetic number, because the mean of its divisors is an integer number (8258429952).

Almost surely, 2^64323802957 is an apocalyptic number.

It is an amenable number.

64323802957 is a deficient number, since it is larger than the sum of its proper divisors (1743636659).

64323802957 is a wasteful number, since it uses less digits than its factorization.

64323802957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135707.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 64323802957 in words is "sixty-four billion, three hundred twenty-three million, eight hundred two thousand, nine hundred fifty-seven".