64034144227 has 2 divisors, whose sum is σ = 64034144228. Its totient is φ = 64034144226.

The previous prime is 64034144183. The next prime is 64034144297. The reversal of 64034144227 is 72244143046.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64034144227 - 2⁷ = 64034144099 is a prime.

It is not a weakly prime, because it can be changed into another prime (64034144297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32017072113 + 32017072114.

It is an arithmetic number, because the mean of its divisors is an integer number (32017072114).

Almost surely, 2^64034144227 is an apocalyptic number.

64034144227 is a deficient number, since it is larger than the sum of its proper divisors (1).

64034144227 is an equidigital number, since it uses as much as digits as its factorization.

64034144227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 64034144227 in words is "sixty-four billion, thirty-four million, one hundred forty-four thousand, two hundred twenty-seven".