426674001617 has 2 divisors, whose sum is σ = 426674001618. Its totient is φ = 426674001616.

The previous prime is 426674001599. The next prime is 426674001623. The reversal of 426674001617 is 716100476624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426577490641 + 96510976 = 653129^2 + 9824^2 .

It is a cyclic number.

It is not a de Polignac number, because 426674001617 - 2⁸ = 426674001361 is a prime.

It is a super-2 number, since 2×426674001617² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426674001217) 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, 213337000808 + 213337000809.

It is an arithmetic number, because the mean of its divisors is an integer number (213337000809).

Almost surely, 2^426674001617 is an apocalyptic number.

It is an amenable number.

426674001617 is a deficient number, since it is larger than the sum of its proper divisors (1).

426674001617 is an equidigital number, since it uses as much as digits as its factorization.

426674001617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 426674001617 in words is "four hundred twenty-six billion, six hundred seventy-four million, one thousand, six hundred seventeen".