64269500565 has 16 divisors (see below), whose sum is σ = 102835069056. Its totient is φ = 34275777600.

The previous prime is 64269500447. The next prime is 64269500593. The reversal of 64269500565 is 56500596246.

64269500565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64269500565 - 2⁷ = 64269500437 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439920 + ... + 567510.

It is an arithmetic number, because the mean of its divisors is an integer number (6427191816).

Almost surely, 2^64269500565 is an apocalyptic number.

It is an amenable number.

64269500565 is a deficient number, since it is larger than the sum of its proper divisors (38565568491).

64269500565 is a wasteful number, since it uses less digits than its factorization.

64269500565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161180.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 64269500565 in words is "sixty-four billion, two hundred sixty-nine million, five hundred thousand, five hundred sixty-five".