9000021749996 has 48 divisors (see below), whose sum is σ = 16394474888064. Its totient is φ = 4319627759616.

The previous prime is 9000021749981. The next prime is 9000021750059. The reversal of 9000021749996 is 6999471200009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28068596 + ... + 28387428.

It is an arithmetic number, because the mean of its divisors is an integer number (341551560168).

Almost surely, 2^{9000021749996} is an apocalyptic number.

It is an amenable number.

9000021749996 is a deficient number, since it is larger than the sum of its proper divisors (7394453138068).

9000021749996 is a wasteful number, since it uses less digits than its factorization.

9000021749996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321770 (or 321768 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 56.

The spelling of 9000021749996 in words is "nine trillion, twenty-one million, seven hundred forty-nine thousand, nine hundred ninety-six".