426649286971 has 2 divisors, whose sum is σ = 426649286972. Its totient is φ = 426649286970.

The previous prime is 426649286893. The next prime is 426649287041. The reversal of 426649286971 is 179682946624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426649286971 - 2¹³ = 426649278779 is a prime.

It is a super-2 number, since 2×426649286971² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426649286171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213324643485 + 213324643486.

It is an arithmetic number, because the mean of its divisors is an integer number (213324643486).

Almost surely, 2^426649286971 is an apocalyptic number.

426649286971 is a deficient number, since it is larger than the sum of its proper divisors (1).

426649286971 is an equidigital number, since it uses as much as digits as its factorization.

426649286971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 64.

The spelling of 426649286971 in words is "four hundred twenty-six billion, six hundred forty-nine million, two hundred eighty-six thousand, nine hundred seventy-one".