2139973624 has 16 divisors (see below), whose sum is σ = 4014576720. Its totient is φ = 1069419840.

The previous prime is 2139973621. The next prime is 2139973669. The reversal of 2139973624 is 4263799312.

It is a super-2 number, since 2×2139973624² = 9158974222831386752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139973621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54612 + ... + 85219.

It is an arithmetic number, because the mean of its divisors is an integer number (250911045).

Almost surely, 2^2139973624 is an apocalyptic number.

It is an amenable number.

2139973624 is a deficient number, since it is larger than the sum of its proper divisors (1874603096).

2139973624 is a wasteful number, since it uses less digits than its factorization.

2139973624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141750 (or 141746 counting only the distinct ones).

The product of its digits is 489888, while the sum is 46.

The square root of 2139973624 is about 46259.8489405229. The cubic root of 2139973624 is about 1288.6534481803.

The spelling of 2139973624 in words is "two billion, one hundred thirty-nine million, nine hundred seventy-three thousand, six hundred twenty-four".