2316326621 has 4 divisors (see below), whose sum is σ = 2647230432. Its totient is φ = 1985422812.

The previous prime is 2316326513. The next prime is 2316326629. The reversal of 2316326621 is 1266236132.

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 2316326621 - 2¹⁰ = 2316325597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316326629) 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, 165451895 + ... + 165451908.

It is an arithmetic number, because the mean of its divisors is an integer number (661807608).

Almost surely, 2^2316326621 is an apocalyptic number.

It is an amenable number.

2316326621 is a deficient number, since it is larger than the sum of its proper divisors (330903811).

2316326621 is an equidigital number, since it uses as much as digits as its factorization.

2316326621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330903810.

The product of its digits is 15552, while the sum is 32.

The square root of 2316326621 is about 48128.2310188106. The cubic root of 2316326621 is about 1323.1221284302.

The spelling of 2316326621 in words is "two billion, three hundred sixteen million, three hundred twenty-six thousand, six hundred twenty-one".