921799010 has 32 divisors (see below), whose sum is σ = 1812445632. Its totient is φ = 334761280.

The previous prime is 921799009. The next prime is 921799061. The reversal of 921799010 is 10997129.

921799010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 85904 + ... + 96036.

It is an arithmetic number, because the mean of its divisors is an integer number (56638926).

Almost surely, 2^921799010 is an apocalyptic number.

921799010 is a deficient number, since it is larger than the sum of its proper divisors (890646622).

921799010 is a wasteful number, since it uses less digits than its factorization.

921799010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10978.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 921799010 is about 30361.1430944225. The cubic root of 921799010 is about 973.2223616473. Note that the first 3 decimals are identical.

The spelling of 921799010 in words is "nine hundred twenty-one million, seven hundred ninety-nine thousand, ten".