9720049318 has 32 divisors (see below), whose sum is σ = 17377855488. Its totient is φ = 3989779200.

The previous prime is 9720049303. The next prime is 9720049351. The reversal of 9720049318 is 8139400279.

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, 73348 + ... + 157543.

It is an arithmetic number, because the mean of its divisors is an integer number (543057984).

Almost surely, 2^9720049318 is an apocalyptic number.

9720049318 is a deficient number, since it is larger than the sum of its proper divisors (7657806170).

9720049318 is a wasteful number, since it uses less digits than its factorization.

9720049318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231028.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9720049318 is about 98590.3104671042. The cubic root of 9720049318 is about 2134.1395921296.

The spelling of 9720049318 in words is "nine billion, seven hundred twenty million, forty-nine thousand, three hundred eighteen".