2627644238291 has 2 divisors, whose sum is σ = 2627644238292. Its totient is φ = 2627644238290.

The previous prime is 2627644238269. The next prime is 2627644238371. The reversal of 2627644238291 is 1928324467262.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2627644238291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2627644238201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313822119145 + 1313822119146.

It is an arithmetic number, because the mean of its divisors is an integer number (1313822119146).

Almost surely, 2^{2627644238291} is an apocalyptic number.

2627644238291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2627644238291 is an equidigital number, since it uses as much as digits as its factorization.

2627644238291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 56.

The spelling of 2627644238291 in words is "two trillion, six hundred twenty-seven billion, six hundred forty-four million, two hundred thirty-eight thousand, two hundred ninety-one".