5139375946 has 4 divisors (see below), whose sum is σ = 7709063922. Its totient is φ = 2569687972.

The previous prime is 5139375931. The next prime is 5139375959. The reversal of 5139375946 is 6495739315.

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

It can be written as a sum of positive squares in only one way, i.e., 4602944025 + 536431921 = 67845^2 + 23161^2 .

It is a super-2 number, since 2×5139375946² = 52826370228646789832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5139375893 and 5139375902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284843985 + ... + 1284843988.

Almost surely, 2^5139375946 is an apocalyptic number.

5139375946 is a deficient number, since it is larger than the sum of its proper divisors (2569687976).

5139375946 is a wasteful number, since it uses less digits than its factorization.

5139375946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569687975.

The product of its digits is 3061800, while the sum is 52.

The square root of 5139375946 is about 71689.4409658773. The cubic root of 5139375946 is about 1725.7191927657.

The spelling of 5139375946 in words is "five billion, one hundred thirty-nine million, three hundred seventy-five thousand, nine hundred forty-six".