424025520431 has 2 divisors, whose sum is σ = 424025520432. Its totient is φ = 424025520430.

The previous prime is 424025520421. The next prime is 424025520433. The reversal of 424025520431 is 134025520424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424025520431 - 2¹⁸ = 424025258287 is a prime.

It is a super-2 number, since 2×424025520431² (a number of 24 digits) contains 22 as substring.

Together with 424025520433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424025520433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212012760215 + 212012760216.

It is an arithmetic number, because the mean of its divisors is an integer number (212012760216).

Almost surely, 2^424025520431 is an apocalyptic number.

424025520431 is a deficient number, since it is larger than the sum of its proper divisors (1).

424025520431 is an equidigital number, since it uses as much as digits as its factorization.

424025520431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 424025520431 in words is "four hundred twenty-four billion, twenty-five million, five hundred twenty thousand, four hundred thirty-one".