64064311019 has 2 divisors, whose sum is σ = 64064311020. Its totient is φ = 64064311018.

The previous prime is 64064310983. The next prime is 64064311033. The reversal of 64064311019 is 91011346046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64064311019 - 2⁸ = 64064310763 is a prime.

It is a super-2 number, since 2×64064311019² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64064311019.

It is not a weakly prime, because it can be changed into another prime (64064311039) 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, 32032155509 + 32032155510.

It is an arithmetic number, because the mean of its divisors is an integer number (32032155510).

Almost surely, 2^64064311019 is an apocalyptic number.

64064311019 is a deficient number, since it is larger than the sum of its proper divisors (1).

64064311019 is an equidigital number, since it uses as much as digits as its factorization.

64064311019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 64064311019 in words is "sixty-four billion, sixty-four million, three hundred eleven thousand, nineteen".