426632696461 has 2 divisors, whose sum is σ = 426632696462. Its totient is φ = 426632696460.

The previous prime is 426632696447. The next prime is 426632696489. The reversal of 426632696461 is 164696236624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326440822500 + 100191873961 = 571350^2 + 316531^2 .

It is a cyclic number.

It is not a de Polignac number, because 426632696461 - 2¹¹ = 426632694413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426632696431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213316348230 + 213316348231.

It is an arithmetic number, because the mean of its divisors is an integer number (213316348231).

Almost surely, 2^426632696461 is an apocalyptic number.

It is an amenable number.

426632696461 is a deficient number, since it is larger than the sum of its proper divisors (1).

426632696461 is an equidigital number, since it uses as much as digits as its factorization.

426632696461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 55.

The spelling of 426632696461 in words is "four hundred twenty-six billion, six hundred thirty-two million, six hundred ninety-six thousand, four hundred sixty-one".