426889472431 has 2 divisors, whose sum is σ = 426889472432. Its totient is φ = 426889472430.

The previous prime is 426889472363. The next prime is 426889472437. The reversal of 426889472431 is 134274988624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426889472431 - 2³⁵ = 392529734063 is a prime.

It is a super-3 number, since 3×426889472431³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426889472437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213444736215 + 213444736216.

It is an arithmetic number, because the mean of its divisors is an integer number (213444736216).

Almost surely, 2^426889472431 is an apocalyptic number.

426889472431 is a deficient number, since it is larger than the sum of its proper divisors (1).

426889472431 is an equidigital number, since it uses as much as digits as its factorization.

426889472431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18579456, while the sum is 58.

The spelling of 426889472431 in words is "four hundred twenty-six billion, eight hundred eighty-nine million, four hundred seventy-two thousand, four hundred thirty-one".