921113093 has 8 divisors (see below), whose sum is σ = 951014400. Its totient is φ = 891565920.

The previous prime is 921113071. The next prime is 921113099. The reversal of 921113093 is 390311129.

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

It is a cyclic number.

It is not a de Polignac number, because 921113093 - 2⁶ = 921113029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921113099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83243 + ... + 93656.

It is an arithmetic number, because the mean of its divisors is an integer number (118876800).

Almost surely, 2^921113093 is an apocalyptic number.

It is an amenable number.

921113093 is a deficient number, since it is larger than the sum of its proper divisors (29901307).

921113093 is a wasteful number, since it uses less digits than its factorization.

921113093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177067.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 921113093 is about 30349.8450243160. The cubic root of 921113093 is about 972.9809079247.

The spelling of 921113093 in words is "nine hundred twenty-one million, one hundred thirteen thousand, ninety-three".