22646630466353 has 2 divisors, whose sum is σ = 22646630466354. Its totient is φ = 22646630466352.

The previous prime is 22646630466349. The next prime is 22646630466379. The reversal of 22646630466353 is 35366403664622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22579441679089 + 67188787264 = 4751783^2 + 259208^2 .

It is a cyclic number.

It is not a de Polignac number, because 22646630466353 - 2² = 22646630466349 is a prime.

It is not a weakly prime, because it can be changed into another prime (22646630462353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11323315233176 + 11323315233177.

It is an arithmetic number, because the mean of its divisors is an integer number (11323315233177).

Almost surely, 2^{22646630466353} is an apocalyptic number.

It is an amenable number.

22646630466353 is a deficient number, since it is larger than the sum of its proper divisors (1).

22646630466353 is an equidigital number, since it uses as much as digits as its factorization.

22646630466353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 56.

The spelling of 22646630466353 in words is "twenty-two trillion, six hundred forty-six billion, six hundred thirty million, four hundred sixty-six thousand, three hundred fifty-three".