2564354502516 has 24 divisors (see below), whose sum is σ = 5983525162720. Its totient is φ = 854780359392.

The previous prime is 2564354502509. The next prime is 2564354502581. The reversal of 2564354502516 is 6152054534652.

It is a super-3 number, since 3×2564354502516³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496015 + ... + 3370281.

Almost surely, 2^{2564354502516} is an apocalyptic number.

It is an amenable number.

2564354502516 is an abundant number, since it is smaller than the sum of its proper divisors (3419170660204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564354502516 is a wasteful number, since it uses less digits than its factorization.

2564354502516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118703 (or 1118701 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 2564354502516 in words is "two trillion, five hundred sixty-four billion, three hundred fifty-four million, five hundred two thousand, five hundred sixteen".