64337272375 has 8 divisors (see below), whose sum is σ = 80292916080. Its totient is φ = 51469817800.

The previous prime is 64337272369. The next prime is 64337272379. The reversal of 64337272375 is 57327273346.

It is not a de Polignac number, because 64337272375 - 2¹³ = 64337264183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64337272379) 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, 257348965 + ... + 257349214.

It is an arithmetic number, because the mean of its divisors is an integer number (10036614510).

Almost surely, 2^64337272375 is an apocalyptic number.

64337272375 is a deficient number, since it is larger than the sum of its proper divisors (15955643705).

64337272375 is an equidigital number, since it uses as much as digits as its factorization.

64337272375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514698194 (or 514698184 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 49.

The spelling of 64337272375 in words is "sixty-four billion, three hundred thirty-seven million, two hundred seventy-two thousand, three hundred seventy-five".