64602226242791 has 2 divisors, whose sum is σ = 64602226242792. Its totient is φ = 64602226242790.

The previous prime is 64602226242709. The next prime is 64602226242857. The reversal of 64602226242791 is 19724262220646.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64602226242791 - 2¹⁰ = 64602226241767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64602226242991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32301113121395 + 32301113121396.

It is an arithmetic number, because the mean of its divisors is an integer number (32301113121396).

Almost surely, 2^{64602226242791} is an apocalyptic number.

64602226242791 is a deficient number, since it is larger than the sum of its proper divisors (1).

64602226242791 is an equidigital number, since it uses as much as digits as its factorization.

64602226242791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 64602226242791 in words is "sixty-four trillion, six hundred two billion, two hundred twenty-six million, two hundred forty-two thousand, seven hundred ninety-one".