64609245910 has 48 divisors (see below), whose sum is σ = 127961559936. Its totient is φ = 23470128000.

The previous prime is 64609245859. The next prime is 64609245917. The reversal of 64609245910 is 1954290646.

64609245910 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 (64609245917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1172170 + ... + 1226050.

It is an arithmetic number, because the mean of its divisors is an integer number (2665865832).

Almost surely, 2^64609245910 is an apocalyptic number.

64609245910 is a deficient number, since it is larger than the sum of its proper divisors (63352314026).

64609245910 is a wasteful number, since it uses less digits than its factorization.

64609245910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54901 (or 54890 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 64609245910 in words is "sixty-four billion, six hundred nine million, two hundred forty-five thousand, nine hundred ten".