921332901345 has 16 divisors (see below), whose sum is σ = 1474798819392. Its totient is φ = 491155488320.

The previous prime is 921332901329. The next prime is 921332901367. The reversal of 921332901345 is 543109233129.

921332901345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 921332901345 - 2⁴ = 921332901329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 921332901297 and 921332901306.

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, 13844391 + ... + 13910780.

It is an arithmetic number, because the mean of its divisors is an integer number (92174926212).

Almost surely, 2^921332901345 is an apocalyptic number.

It is an amenable number.

921332901345 is a deficient number, since it is larger than the sum of its proper divisors (553465918047).

921332901345 is a wasteful number, since it uses less digits than its factorization.

921332901345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27757392.

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 921332901345 in words is "nine hundred twenty-one billion, three hundred thirty-two million, nine hundred one thousand, three hundred forty-five".