21333172350754 has 16 divisors (see below), whose sum is σ = 34909120645056. Its totient is φ = 9696815089200.

The previous prime is 21333172350701. The next prime is 21333172350793. The reversal of 21333172350754 is 45705327133312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352097 + ... + 6670420.

It is an arithmetic number, because the mean of its divisors is an integer number (2181820040316).

Almost surely, 2^{21333172350754} is an apocalyptic number.

21333172350754 is a deficient number, since it is larger than the sum of its proper divisors (13575948294302).

21333172350754 is a wasteful number, since it uses less digits than its factorization.

21333172350754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143401.

The product of its (nonzero) digits is 1587600, while the sum is 46.

The spelling of 21333172350754 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred seventy-two million, three hundred fifty thousand, seven hundred fifty-four".