61417713558863 has 2 divisors, whose sum is σ = 61417713558864. Its totient is φ = 61417713558862.

The previous prime is 61417713558847. The next prime is 61417713558893. The reversal of 61417713558863 is 36885531771416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61417713558863 - 2⁴ = 61417713558847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61417713558863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61417713558893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30708856779431 + 30708856779432.

It is an arithmetic number, because the mean of its divisors is an integer number (30708856779432).

Almost surely, 2^{61417713558863} is an apocalyptic number.

61417713558863 is a deficient number, since it is larger than the sum of its proper divisors (1).

61417713558863 is an equidigital number, since it uses as much as digits as its factorization.

61417713558863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 101606400, while the sum is 65.

The spelling of 61417713558863 in words is "sixty-one trillion, four hundred seventeen billion, seven hundred thirteen million, five hundred fifty-eight thousand, eight hundred sixty-three".