64323024561 has 8 divisors (see below), whose sum is σ = 95293369760. Its totient is φ = 42882016356.

The previous prime is 64323024553. The next prime is 64323024607. The reversal of 64323024561 is 16542032346.

64323024561 is a `hidden beast` number, since 6 + 43 + 2 + 30 + 24 + 561 = 666.

It is not a de Polignac number, because 64323024561 - 2³ = 64323024553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64323024361) 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, 1191167095 + ... + 1191167148.

It is an arithmetic number, because the mean of its divisors is an integer number (11911671220).

Almost surely, 2^64323024561 is an apocalyptic number.

It is an amenable number.

64323024561 is a deficient number, since it is larger than the sum of its proper divisors (30970345199).

64323024561 is a wasteful number, since it uses less digits than its factorization.

64323024561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382334252 (or 2382334246 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 64323024561 in words is "sixty-four billion, three hundred twenty-three million, twenty-four thousand, five hundred sixty-one".