2681268986 has 16 divisors (see below), whose sum is σ = 4388352768. Its totient is φ = 1218530400.

The previous prime is 2681268977. The next prime is 2681268991. The reversal of 2681268986 is 6898621862.

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, 180311 + ... + 194613.

It is an arithmetic number, because the mean of its divisors is an integer number (274272048).

Almost surely, 2^2681268986 is an apocalyptic number.

2681268986 is a deficient number, since it is larger than the sum of its proper divisors (1707083782).

2681268986 is a wasteful number, since it uses less digits than its factorization.

2681268986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22837.

The product of its digits is 3981312, while the sum is 56.

The square root of 2681268986 is about 51780.9712732390. The cubic root of 2681268986 is about 1389.2491132703.

The spelling of 2681268986 in words is "two billion, six hundred eighty-one million, two hundred sixty-eight thousand, nine hundred eighty-six".