426403314881 has 2 divisors, whose sum is σ = 426403314882. Its totient is φ = 426403314880.

The previous prime is 426403314847. The next prime is 426403314893. The reversal of 426403314881 is 188413304624.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338938209856 + 87465105025 = 582184^2 + 295745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426403314881 is a prime.

It is a super-2 number, since 2×426403314881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426403344881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213201657440 + 213201657441.

It is an arithmetic number, because the mean of its divisors is an integer number (213201657441).

Almost surely, 2^426403314881 is an apocalyptic number.

It is an amenable number.

426403314881 is a deficient number, since it is larger than the sum of its proper divisors (1).

426403314881 is an equidigital number, since it uses as much as digits as its factorization.

426403314881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 426403314881 in words is "four hundred twenty-six billion, four hundred three million, three hundred fourteen thousand, eight hundred eighty-one".