5139790685 has 8 divisors (see below), whose sum is σ = 6168261120. Its totient is φ = 4111491024.

The previous prime is 5139790651. The next prime is 5139790697. The reversal of 5139790685 is 5860979315.

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 5139790685 - 2⁸ = 5139790429 is a prime.

It is a super-2 number, since 2×5139790685² = 52834896571225538450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37076 + ... + 107954.

It is an arithmetic number, because the mean of its divisors is an integer number (771032640).

Almost surely, 2^5139790685 is an apocalyptic number.

It is an amenable number.

5139790685 is a deficient number, since it is larger than the sum of its proper divisors (1028470435).

5139790685 is a wasteful number, since it uses less digits than its factorization.

5139790685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85387.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The square root of 5139790685 is about 71692.3335162136. Note that the first 3 decimals coincide. The cubic root of 5139790685 is about 1725.7656123964.

The spelling of 5139790685 in words is "five billion, one hundred thirty-nine million, seven hundred ninety thousand, six hundred eighty-five".