2686972144 has 10 divisors (see below), whose sum is σ = 5206008560. Its totient is φ = 1343486064.

The previous prime is 2686972139. The next prime is 2686972181. The reversal of 2686972144 is 4412796862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83967864 + ... + 83967895.

It is an arithmetic number, because the mean of its divisors is an integer number (520600856).

Almost surely, 2^2686972144 is an apocalyptic number.

It is an amenable number.

2686972144 is a deficient number, since it is larger than the sum of its proper divisors (2519036416).

2686972144 is a wasteful number, since it uses less digits than its factorization.

2686972144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167935767 (or 167935761 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 2686972144 is about 51836.0120379645. The cubic root of 2686972144 is about 1390.2334104177.

The spelling of 2686972144 in words is "two billion, six hundred eighty-six million, nine hundred seventy-two thousand, one hundred forty-four".