41720094786817 has 2 divisors, whose sum is σ = 41720094786818. Its totient is φ = 41720094786816.

The previous prime is 41720094786737. The next prime is 41720094786841. The reversal of 41720094786817 is 71868749002714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25256293518096 + 16463801268721 = 5025564^2 + 4057561^2 .

It is a cyclic number.

It is not a de Polignac number, because 41720094786817 - 2⁴³ = 32924001764609 is a prime.

It is not a weakly prime, because it can be changed into another prime (41720094706817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20860047393408 + 20860047393409.

It is an arithmetic number, because the mean of its divisors is an integer number (20860047393409).

Almost surely, 2^{41720094786817} is an apocalyptic number.

It is an amenable number.

41720094786817 is a deficient number, since it is larger than the sum of its proper divisors (1).

41720094786817 is an equidigital number, since it uses as much as digits as its factorization.

41720094786817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 41720094786817 in words is "forty-one trillion, seven hundred twenty billion, ninety-four million, seven hundred eighty-six thousand, eight hundred seventeen".