2939043987 has 32 divisors (see below), whose sum is σ = 4762368000. Its totient is φ = 1776589920.

The previous prime is 2939043971. The next prime is 2939044037. The reversal of 2939043987 is 7893409392.

It is not a de Polignac number, because 2939043987 - 2⁴ = 2939043971 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2939043967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102814 + ... + 128252.

It is an arithmetic number, because the mean of its divisors is an integer number (148824000).

Almost surely, 2^2939043987 is an apocalyptic number.

2939043987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2939043987 is a deficient number, since it is larger than the sum of its proper divisors (1823324013).

2939043987 is a wasteful number, since it uses less digits than its factorization.

2939043987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25848 (or 25842 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 2939043987 is about 54212.9503624365. The cubic root of 2939043987 is about 1432.4144561181.

The spelling of 2939043987 in words is "two billion, nine hundred thirty-nine million, forty-three thousand, nine hundred eighty-seven".