5581639094 has 32 divisors (see below), whose sum is σ = 8761374720. Its totient is φ = 2663812800.

The previous prime is 5581639081. The next prime is 5581639109. The reversal of 5581639094 is 4909361855.

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 15 ways as a sum of consecutive naturals, for example, 2774549 + ... + 2776559.

It is an arithmetic number, because the mean of its divisors is an integer number (273792960).

Almost surely, 2^5581639094 is an apocalyptic number.

5581639094 is a deficient number, since it is larger than the sum of its proper divisors (3179735626).

5581639094 is a wasteful number, since it uses less digits than its factorization.

5581639094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 5581639094 is about 74710.3680488860. The cubic root of 5581639094 is about 1773.8650782633.

The spelling of 5581639094 in words is "five billion, five hundred eighty-one million, six hundred thirty-nine thousand, ninety-four".