64055597043439 has 2 divisors, whose sum is σ = 64055597043440. Its totient is φ = 64055597043438.

The previous prime is 64055597043433. The next prime is 64055597043461. The reversal of 64055597043439 is 93434079555046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64055597043439 - 2⁴¹ = 61856573787887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64055597043433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32027798521719 + 32027798521720.

It is an arithmetic number, because the mean of its divisors is an integer number (32027798521720).

Almost surely, 2^{64055597043439} is an apocalyptic number.

64055597043439 is a deficient number, since it is larger than the sum of its proper divisors (1).

64055597043439 is an equidigital number, since it uses as much as digits as its factorization.

64055597043439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944000, while the sum is 64.

The spelling of 64055597043439 in words is "sixty-four trillion, fifty-five billion, five hundred ninety-seven million, forty-three thousand, four hundred thirty-nine".