9139721496 has 16 divisors (see below), whose sum is σ = 22849303800. Its totient is φ = 3046573824.

The previous prime is 9139721489. The next prime is 9139721587. The reversal of 9139721496 is 6941279319.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190410841 + ... + 190410888.

Almost surely, 2^9139721496 is an apocalyptic number.

It is an amenable number.

9139721496 is an abundant number, since it is smaller than the sum of its proper divisors (13709582304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9139721496 is a wasteful number, since it uses less digits than its factorization.

9139721496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380821738 (or 380821734 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 9139721496 is about 95601.8906507607. The cubic root of 9139721496 is about 2090.7927592479.

The spelling of 9139721496 in words is "nine billion, one hundred thirty-nine million, seven hundred twenty-one thousand, four hundred ninety-six".