5064391894 has 16 divisors (see below), whose sum is σ = 7687704096. Its totient is φ = 2501928000.

The previous prime is 5064391877. The next prime is 5064391901. The reversal of 5064391894 is 4981934605.

It is a happy number.

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, 72634 + ... + 124114.

It is an arithmetic number, because the mean of its divisors is an integer number (480481506).

Almost surely, 2^5064391894 is an apocalyptic number.

5064391894 is a deficient number, since it is larger than the sum of its proper divisors (2623312202).

5064391894 is a wasteful number, since it uses less digits than its factorization.

5064391894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52071.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 5064391894 is about 71164.5409877700. The cubic root of 5064391894 is about 1717.2852313151.

The spelling of 5064391894 in words is "five billion, sixty-four million, three hundred ninety-one thousand, eight hundred ninety-four".