2689416384988 has 12 divisors (see below), whose sum is σ = 4833680800312. Its totient is φ = 1308364727760.

The previous prime is 2689416384973. The next prime is 2689416385027. The reversal of 2689416384988 is 8894836149862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9085866018 + ... + 9085866313.

Almost surely, 2^{2689416384988} is an apocalyptic number.

It is an amenable number.

2689416384988 is a deficient number, since it is larger than the sum of its proper divisors (2144264415324).

2689416384988 is a wasteful number, since it uses less digits than its factorization.

2689416384988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171732372 (or 18171732370 counting only the distinct ones).

The product of its digits is 1146617856, while the sum is 76.

The spelling of 2689416384988 in words is "two trillion, six hundred eighty-nine billion, four hundred sixteen million, three hundred eighty-four thousand, nine hundred eighty-eight".