2689938469564 has 48 divisors (see below), whose sum is σ = 4753638771840. Its totient is φ = 1331837337600.

The previous prime is 2689938469541. The next prime is 2689938469601. The reversal of 2689938469564 is 4659648399862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147651784 + ... + 147670000.

It is an arithmetic number, because the mean of its divisors is an integer number (99034141080).

Almost surely, 2^{2689938469564} is an apocalyptic number.

It is an amenable number.

2689938469564 is a deficient number, since it is larger than the sum of its proper divisors (2063700302276).

2689938469564 is a wasteful number, since it uses less digits than its factorization.

2689938469564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19318 (or 19316 counting only the distinct ones).

The product of its digits is 4837294080, while the sum is 79.

The spelling of 2689938469564 in words is "two trillion, six hundred eighty-nine billion, nine hundred thirty-eight million, four hundred sixty-nine thousand, five hundred sixty-four".