924380152021 has 4 divisors (see below), whose sum is σ = 924540947500. Its totient is φ = 924219356544.

The previous prime is 924380151973. The next prime is 924380152043. The reversal of 924380152021 is 120251083429.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147426049521 + 776954102500 = 383961^2 + 881450^2 .

It is a cyclic number.

It is not a de Polignac number, because 924380152021 - 2⁹ = 924380151509 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 (924380152081) 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, 80389116 + ... + 80400613.

It is an arithmetic number, because the mean of its divisors is an integer number (231135236875).

Almost surely, 2^924380152021 is an apocalyptic number.

It is an amenable number.

924380152021 is a deficient number, since it is larger than the sum of its proper divisors (160795479).

924380152021 is a wasteful number, since it uses less digits than its factorization.

924380152021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160795478.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 924380152021 in words is "nine hundred twenty-four billion, three hundred eighty million, one hundred fifty-two thousand, twenty-one".