417720417139 has 2 divisors, whose sum is σ = 417720417140. Its totient is φ = 417720417138.

The previous prime is 417720417119. The next prime is 417720417211. The reversal of 417720417139 is 931714027714.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 417720417139 - 2⁹ = 417720416627 is a prime.

It is not a weakly prime, because it can be changed into another prime (417720417119) 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, 208860208569 + 208860208570.

It is an arithmetic number, because the mean of its divisors is an integer number (208860208570).

Almost surely, 2^417720417139 is an apocalyptic number.

417720417139 is a deficient number, since it is larger than the sum of its proper divisors (1).

417720417139 is an equidigital number, since it uses as much as digits as its factorization.

417720417139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The spelling of 417720417139 in words is "four hundred seventeen billion, seven hundred twenty million, four hundred seventeen thousand, one hundred thirty-nine".