921133954 has 8 divisors (see below), whose sum is σ = 1487985660. Its totient is φ = 425138736.

The previous prime is 921133937. The next prime is 921133973. The reversal of 921133954 is 459331129.

It can be written as a sum of positive squares in 2 ways, for example, as 853516225 + 67617729 = 29215^2 + 8223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×921133954² = 1696975522423348232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17714089 + ... + 17714140.

Almost surely, 2^921133954 is an apocalyptic number.

921133954 is a deficient number, since it is larger than the sum of its proper divisors (566851706).

921133954 is a wasteful number, since it uses less digits than its factorization.

921133954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35428244.

The product of its digits is 29160, while the sum is 37.

The square root of 921133954 is about 30350.1886979307. The cubic root of 921133954 is about 972.9882530964.

The spelling of 921133954 in words is "nine hundred twenty-one million, one hundred thirty-three thousand, nine hundred fifty-four".