5923155621 has 4 divisors (see below), whose sum is σ = 7897540832. Its totient is φ = 3948770412.

The previous prime is 5923155613. The next prime is 5923155649. The reversal of 5923155621 is 1265513295.

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 5923155621 - 2³ = 5923155613 is a prime.

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 5923155621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5923155611) 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, 987192601 + ... + 987192606.

It is an arithmetic number, because the mean of its divisors is an integer number (1974385208).

Almost surely, 2^5923155621 is an apocalyptic number.

It is an amenable number.

5923155621 is a deficient number, since it is larger than the sum of its proper divisors (1974385211).

5923155621 is a wasteful number, since it uses less digits than its factorization.

5923155621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974385210.

The product of its digits is 81000, while the sum is 39.

The square root of 5923155621 is about 76962.0401301837. The cubic root of 5923155621 is about 1809.3297092741.

The spelling of 5923155621 in words is "five billion, nine hundred twenty-three million, one hundred fifty-five thousand, six hundred twenty-one".