64252034224687 has 4 divisors (see below), whose sum is σ = 64261577085160. Its totient is φ = 64242491364216.

The previous prime is 64252034224667. The next prime is 64252034224691. The reversal of 64252034224687 is 78642243025246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64252034224687 - 2²³ = 64252025836079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64252034224667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4771420137 + ... + 4771433602.

It is an arithmetic number, because the mean of its divisors is an integer number (16065394271290).

Almost surely, 2^{64252034224687} is an apocalyptic number.

64252034224687 is a deficient number, since it is larger than the sum of its proper divisors (9542860473).

64252034224687 is an equidigital number, since it uses as much as digits as its factorization.

64252034224687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542860472.

The product of its (nonzero) digits is 30965760, while the sum is 55.

The spelling of 64252034224687 in words is "sixty-four trillion, two hundred fifty-two billion, thirty-four million, two hundred twenty-four thousand, six hundred eighty-seven".