929052921 has 4 divisors (see below), whose sum is σ = 1238737232. Its totient is φ = 619368612.

The previous prime is 929052913. The next prime is 929052923. The reversal of 929052921 is 129250929.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 929052921 - 2³ = 929052913 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 929052921.

It is not an unprimeable number, because it can be changed into a prime (929052923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154842151 + ... + 154842156.

It is an arithmetic number, because the mean of its divisors is an integer number (309684308).

Almost surely, 2^929052921 is an apocalyptic number.

It is an amenable number.

929052921 is a deficient number, since it is larger than the sum of its proper divisors (309684311).

929052921 is a wasteful number, since it uses less digits than its factorization.

929052921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309684310.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 929052921 is about 30480.3694367375. The cubic root of 929052921 is about 975.7685532586.

The spelling of 929052921 in words is "nine hundred twenty-nine million, fifty-two thousand, nine hundred twenty-one".