59404944785561 has 2 divisors, whose sum is σ = 59404944785562. Its totient is φ = 59404944785560.

The previous prime is 59404944785551. The next prime is 59404944785573. The reversal of 59404944785561 is 16558744940495.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49828859809936 + 9576084975625 = 7058956^2 + 3094525^2 .

It is a cyclic number.

It is not a de Polignac number, because 59404944785561 - 2²² = 59404940591257 is a prime.

It is not a weakly prime, because it can be changed into another prime (59404944785551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29702472392780 + 29702472392781.

It is an arithmetic number, because the mean of its divisors is an integer number (29702472392781).

Almost surely, 2^{59404944785561} is an apocalyptic number.

It is an amenable number.

59404944785561 is a deficient number, since it is larger than the sum of its proper divisors (1).

59404944785561 is an equidigital number, since it uses as much as digits as its factorization.

59404944785561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912000, while the sum is 71.

The spelling of 59404944785561 in words is "fifty-nine trillion, four hundred four billion, nine hundred forty-four million, seven hundred eighty-five thousand, five hundred sixty-one".