5613931994 has 32 divisors (see below), whose sum is σ = 9528957504. Its totient is φ = 2458270080.

The previous prime is 5613931991. The next prime is 5613932017. The reversal of 5613931994 is 4991393165.

It is not an unprimeable number, because it can be changed into a prime (5613931991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28412 + ... + 109704.

It is an arithmetic number, because the mean of its divisors is an integer number (297779922).

Almost surely, 2^5613931994 is an apocalyptic number.

5613931994 is a deficient number, since it is larger than the sum of its proper divisors (3915025510).

5613931994 is a wasteful number, since it uses less digits than its factorization.

5613931994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81422.

The product of its digits is 787320, while the sum is 50.

The square root of 5613931994 is about 74926.1769610595. The cubic root of 5613931994 is about 1777.2794354963.

The spelling of 5613931994 in words is "five billion, six hundred thirteen million, nine hundred thirty-one thousand, nine hundred ninety-four".