2622640220251 has 2 divisors, whose sum is σ = 2622640220252. Its totient is φ = 2622640220250.

The previous prime is 2622640220201. The next prime is 2622640220339. The reversal of 2622640220251 is 1520220462262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2622640220251 - 2²⁹ = 2622103349339 is a prime.

It is not a weakly prime, because it can be changed into another prime (2622640220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311320110125 + 1311320110126.

It is an arithmetic number, because the mean of its divisors is an integer number (1311320110126).

Almost surely, 2^{2622640220251} is an apocalyptic number.

2622640220251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622640220251 is an equidigital number, since it uses as much as digits as its factorization.

2622640220251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 2622640220251 in words is "two trillion, six hundred twenty-two billion, six hundred forty million, two hundred twenty thousand, two hundred fifty-one".