2939539923 has 16 divisors (see below), whose sum is σ = 4355712000. Its totient is φ = 1959316200.

The previous prime is 2939539907. The next prime is 2939539927. The reversal of 2939539923 is 3299359392.

It is not a de Polignac number, because 2939539923 - 2⁴ = 2939539907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2939539923.

It is not an unprimeable number, because it can be changed into a prime (2939539927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252178 + ... + 263576.

It is an arithmetic number, because the mean of its divisors is an integer number (272232000).

Almost surely, 2^2939539923 is an apocalyptic number.

2939539923 is a deficient number, since it is larger than the sum of its proper divisors (1416172077).

2939539923 is a wasteful number, since it uses less digits than its factorization.

2939539923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20959 (or 20953 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 54.

The square root of 2939539923 is about 54217.5241319631. The cubic root of 2939539923 is about 1432.4950204043.

The spelling of 2939539923 in words is "two billion, nine hundred thirty-nine million, five hundred thirty-nine thousand, nine hundred twenty-three".