64264507545 has 32 divisors (see below), whose sum is σ = 117563535360. Its totient is φ = 29365237440.

The previous prime is 64264507513. The next prime is 64264507579. The reversal of 64264507545 is 54570546246.

It is not a de Polignac number, because 64264507545 - 2⁵ = 64264507513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64264507494 and 64264507503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110236 + ... + 375074.

It is an arithmetic number, because the mean of its divisors is an integer number (3673860480).

Almost surely, 2^64264507545 is an apocalyptic number.

It is an amenable number.

64264507545 is a deficient number, since it is larger than the sum of its proper divisors (53299027815).

64264507545 is a wasteful number, since it uses less digits than its factorization.

64264507545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267165.

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 64264507545 in words is "sixty-four billion, two hundred sixty-four million, five hundred seven thousand, five hundred forty-five".