5208912939 has 4 divisors (see below), whose sum is σ = 6945217256. Its totient is φ = 3472608624.

The previous prime is 5208912913. The next prime is 5208912959. The reversal of 5208912939 is 9392198025.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5208912939 - 2⁷ = 5208912811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5208912959) 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, 868152154 + ... + 868152159.

It is an arithmetic number, because the mean of its divisors is an integer number (1736304314).

Almost surely, 2^5208912939 is an apocalyptic number.

5208912939 is a deficient number, since it is larger than the sum of its proper divisors (1736304317).

5208912939 is a wasteful number, since it uses less digits than its factorization.

5208912939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736304316.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 5208912939 is about 72172.7991628425. The cubic root of 5208912939 is about 1733.4674836713.

The spelling of 5208912939 in words is "five billion, two hundred eight million, nine hundred twelve thousand, nine hundred thirty-nine".