64563242910 has 32 divisors (see below), whose sum is σ = 154993560480. Its totient is φ = 17212222848.

The previous prime is 64563242873. The next prime is 64563242911. The reversal of 64563242910 is 1924236546.

64563242910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64563242911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176265 + ... + 400244.

It is an arithmetic number, because the mean of its divisors is an integer number (4843548765).

Almost surely, 2^64563242910 is an apocalyptic number.

64563242910 is an abundant number, since it is smaller than the sum of its proper divisors (90430317570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64563242910 is a wasteful number, since it uses less digits than its factorization.

64563242910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580252.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 64563242910 in words is "sixty-four billion, five hundred sixty-three million, two hundred forty-two thousand, nine hundred ten".