39309892939 has 8 divisors (see below), whose sum is σ = 39824803440. Its totient is φ = 38797714656.

The previous prime is 39309892933. The next prime is 39309893053. The reversal of 39309892939 is 93929890393.

39309892939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39309892939 - 2⁵ = 39309892907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39309892933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654084 + ... + 711649.

It is an arithmetic number, because the mean of its divisors is an integer number (4978100430).

Almost surely, 2^39309892939 is an apocalyptic number.

39309892939 is a deficient number, since it is larger than the sum of its proper divisors (514910501).

39309892939 is a wasteful number, since it uses less digits than its factorization.

39309892939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366109.

The product of its (nonzero) digits is 25509168, while the sum is 64.

The spelling of 39309892939 in words is "thirty-nine billion, three hundred nine million, eight hundred ninety-two thousand, nine hundred thirty-nine".