2320642621 has 4 divisors (see below), whose sum is σ = 2531610144. Its totient is φ = 2109675100.

The previous prime is 2320642607. The next prime is 2320642631. The reversal of 2320642621 is 1262460232.

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 a cyclic number.

It is not a de Polignac number, because 2320642621 - 2¹³ = 2320634429 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 2320642621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320642631) 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, 105483745 + ... + 105483766.

It is an arithmetic number, because the mean of its divisors is an integer number (632902536).

Almost surely, 2^2320642621 is an apocalyptic number.

It is an amenable number.

2320642621 is a deficient number, since it is larger than the sum of its proper divisors (210967523).

2320642621 is a wasteful number, since it uses less digits than its factorization.

2320642621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210967522.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2320642621 is about 48173.0486994543. The cubic root of 2320642621 is about 1323.9434075308.

The spelling of 2320642621 in words is "two billion, three hundred twenty million, six hundred forty-two thousand, six hundred twenty-one".