64253415884279 has 4 divisors (see below), whose sum is σ = 64256169664776. Its totient is φ = 64250662103784.

The previous prime is 64253415884263. The next prime is 64253415884291. The reversal of 64253415884279 is 97248851435246.

64253415884279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64253415884279 - 2⁴ = 64253415884263 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 (64253415884219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376855249 + ... + 1376901914.

It is an arithmetic number, because the mean of its divisors is an integer number (16064042416194).

Almost surely, 2^{64253415884279} is an apocalyptic number.

64253415884279 is a deficient number, since it is larger than the sum of its proper divisors (2753780497).

64253415884279 is a wasteful number, since it uses less digits than its factorization.

64253415884279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753780496.

The product of its digits is 464486400, while the sum is 68.

The spelling of 64253415884279 in words is "sixty-four trillion, two hundred fifty-three billion, four hundred fifteen million, eight hundred eighty-four thousand, two hundred seventy-nine".