9000021749995 has 16 divisors (see below), whose sum is σ = 10818612073440. Its totient is φ = 7187629204224.

The previous prime is 9000021749981. The next prime is 9000021750059. The reversal of 9000021749995 is 5999471200009.

It is a cyclic number.

It is not a de Polignac number, because 9000021749995 - 2⁷ = 9000021749867 is a prime.

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, 30235509 + ... + 30531721.

It is an arithmetic number, because the mean of its divisors is an integer number (676163254590).

Almost surely, 2^{9000021749995} is an apocalyptic number.

9000021749995 is a deficient number, since it is larger than the sum of its proper divisors (1818590323445).

9000021749995 is a wasteful number, since it uses less digits than its factorization.

9000021749995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306654.

The product of its (nonzero) digits is 1837080, while the sum is 55.

The spelling of 9000021749995 in words is "nine trillion, twenty-one million, seven hundred forty-nine thousand, nine hundred ninety-five".