2691679551068 has 12 divisors (see below), whose sum is σ = 4711068415872. Its totient is φ = 1345660003680.

The previous prime is 2691679551053. The next prime is 2691679551079. The reversal of 2691679551068 is 8601559761962.

It is a junction number, because it is equal to n+sod(n) for n = 2691679550995 and 2691679551013.

It is a congruent number.

It is an unprimeable number.

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, 44909273 + ... + 44969168.

It is an arithmetic number, because the mean of its divisors is an integer number (392589034656).

Almost surely, 2^{2691679551068} is an apocalyptic number.

It is an amenable number.

2691679551068 is a deficient number, since it is larger than the sum of its proper divisors (2019388864804).

2691679551068 is a wasteful number, since it uses less digits than its factorization.

2691679551068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89885932 (or 89885930 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 65.

The spelling of 2691679551068 in words is "two trillion, six hundred ninety-one billion, six hundred seventy-nine million, five hundred fifty-one thousand, sixty-eight".