2689936968 has 32 divisors (see below), whose sum is σ = 6838826400. Its totient is φ = 881447808.

The previous prime is 2689936919. The next prime is 2689937023. The reversal of 2689936968 is 8696399862.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2689936899 and 2689936908.

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, 948421 + ... + 951252.

It is an arithmetic number, because the mean of its divisors is an integer number (213713325).

Almost surely, 2^2689936968 is an apocalyptic number.

It is an amenable number.

2689936968 is an abundant number, since it is smaller than the sum of its proper divisors (4148889432).

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

2689936968 is a wasteful number, since it uses less digits than its factorization.

2689936968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899741 (or 1899737 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 66.

The square root of 2689936968 is about 51864.6022639719. The cubic root of 2689936968 is about 1390.7445535783.

The spelling of 2689936968 in words is "two billion, six hundred eighty-nine million, nine hundred thirty-six thousand, nine hundred sixty-eight".