5164791394 has 48 divisors (see below), whose sum is σ = 9792472320. Its totient is φ = 2029315680.

The previous prime is 5164791377. The next prime is 5164791433. The reversal of 5164791394 is 4931974615.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12984 + ... + 102460.

It is an arithmetic number, because the mean of its divisors is an integer number (204009840).

Almost surely, 2^5164791394 is an apocalyptic number.

5164791394 is a deficient number, since it is larger than the sum of its proper divisors (4627680926).

5164791394 is a wasteful number, since it uses less digits than its factorization.

5164791394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89543 (or 89536 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 5164791394 is about 71866.4831058262. The cubic root of 5164791394 is about 1728.5592149498.

The spelling of 5164791394 in words is "five billion, one hundred sixty-four million, seven hundred ninety-one thousand, three hundred ninety-four".