2622623491 has 2 divisors, whose sum is σ = 2622623492. Its totient is φ = 2622623490.

The previous prime is 2622623413. The next prime is 2622623501. The reversal of 2622623491 is 1943262262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2622623491 - 2¹⁵ = 2622590723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2622623491.

It is not a weakly prime, because it can be changed into another prime (2622623291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311311745 + 1311311746.

It is an arithmetic number, because the mean of its divisors is an integer number (1311311746).

Almost surely, 2^2622623491 is an apocalyptic number.

2622623491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622623491 is an equidigital number, since it uses as much as digits as its factorization.

2622623491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 2622623491 is about 51211.5562251334. The cubic root of 2622623491 is about 1379.0456699190.

The spelling of 2622623491 in words is "two billion, six hundred twenty-two million, six hundred twenty-three thousand, four hundred ninety-one".