64741563237 has 24 divisors (see below), whose sum is σ = 95236707744. Its totient is φ = 39089229504.

The previous prime is 64741563221. The next prime is 64741563251. The reversal of 64741563237 is 73236514746.

It is not a de Polignac number, because 64741563237 - 2⁴ = 64741563221 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64741563137) 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, 1177803 + ... + 1231544.

It is an arithmetic number, because the mean of its divisors is an integer number (3968196156).

Almost surely, 2^64741563237 is an apocalyptic number.

It is an amenable number.

64741563237 is a deficient number, since it is larger than the sum of its proper divisors (30495144507).

64741563237 is a wasteful number, since it uses less digits than its factorization.

64741563237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409429 (or 2409416 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 48.

The spelling of 64741563237 in words is "sixty-four billion, seven hundred forty-one million, five hundred sixty-three thousand, two hundred thirty-seven".