64042954569 has 48 divisors (see below), whose sum is σ = 102448569600. Its totient is φ = 38226988800.

The previous prime is 64042954513. The next prime is 64042954609. The reversal of 64042954569 is 96545924046.

64042954569 is a `hidden beast` number, since 6 + 4 + 0 + 4 + 29 + 54 + 569 = 666.

It is not a de Polignac number, because 64042954569 - 2⁷ = 64042954441 is a prime.

It is a super-2 number, since 2×64042954569² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64042954369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3188779 + ... + 3208799.

It is an arithmetic number, because the mean of its divisors is an integer number (2134345200).

Almost surely, 2^64042954569 is an apocalyptic number.

It is an amenable number.

64042954569 is a deficient number, since it is larger than the sum of its proper divisors (38405615031).

64042954569 is a wasteful number, since it uses less digits than its factorization.

64042954569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20526 (or 20523 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 64042954569 in words is "sixty-four billion, forty-two million, nine hundred fifty-four thousand, five hundred sixty-nine".