5206394739 has 64 divisors (see below), whose sum is σ = 8734086144. Its totient is φ = 2685436416.

The previous prime is 5206394689. The next prime is 5206394741. The reversal of 5206394739 is 9374936025.

It is a happy number.

It is not a de Polignac number, because 5206394739 - 2⁹ = 5206394227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5206394239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8492997 + ... + 8493609.

It is an arithmetic number, because the mean of its divisors is an integer number (136470096).

Almost surely, 2^5206394739 is an apocalyptic number.

5206394739 is a deficient number, since it is larger than the sum of its proper divisors (3527691405).

5206394739 is a wasteful number, since it uses less digits than its factorization.

5206394739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 1224720, while the sum is 48.

The square root of 5206394739 is about 72155.3514231620. The cubic root of 5206394739 is about 1733.1880957902.

The spelling of 5206394739 in words is "five billion, two hundred six million, three hundred ninety-four thousand, seven hundred thirty-nine".