2163092621 has 2 divisors, whose sum is σ = 2163092622. Its totient is φ = 2163092620.

The previous prime is 2163092593. The next prime is 2163092689. The reversal of 2163092621 is 1262903612.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1563332521 + 599760100 = 39539^2 + 24490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163092621 - 2²² = 2158898317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163092821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081546310 + 1081546311.

It is an arithmetic number, because the mean of its divisors is an integer number (1081546311).

Almost surely, 2^2163092621 is an apocalyptic number.

It is an amenable number.

2163092621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163092621 is an equidigital number, since it uses as much as digits as its factorization.

2163092621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2163092621 is about 46509.0595583269. The cubic root of 2163092621 is about 1293.2774503715.

The spelling of 2163092621 in words is "two billion, one hundred sixty-three million, ninety-two thousand, six hundred twenty-one".