64315355432 has 8 divisors (see below), whose sum is σ = 120591291450. Its totient is φ = 32157677712.

The previous prime is 64315355431. The next prime is 64315355443. The reversal of 64315355432 is 23455351346.

It can be written as a sum of positive squares in only one way, i.e., 59773404196 + 4541951236 = 244486^2 + 67394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 64315355432.

It is not an unprimeable number, because it can be changed into a prime (64315355431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4019709707 + ... + 4019709722.

Almost surely, 2^64315355432 is an apocalyptic number.

It is an amenable number.

64315355432 is a deficient number, since it is larger than the sum of its proper divisors (56275936018).

64315355432 is a wasteful number, since it uses less digits than its factorization.

64315355432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8039419435 (or 8039419431 counting only the distinct ones).

The product of its digits is 648000, while the sum is 41.

The spelling of 64315355432 in words is "sixty-four billion, three hundred fifteen million, three hundred fifty-five thousand, four hundred thirty-two".