426625469 has 2 divisors, whose sum is σ = 426625470. Its totient is φ = 426625468.

The previous prime is 426625457. The next prime is 426625471. The reversal of 426625469 is 964526624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274399225 + 152226244 = 16565^2 + 12338^2 .

It is a cyclic number.

It is not a de Polignac number, because 426625469 - 2¹⁶ = 426559933 is a prime.

It is a super-2 number, since 2×426625469² = 364018581598939922, which contains 22 as substring.

Together with 426625471, 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 (426625499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213312734 + 213312735.

It is an arithmetic number, because the mean of its divisors is an integer number (213312735).

Almost surely, 2^426625469 is an apocalyptic number.

It is an amenable number.

426625469 is a deficient number, since it is larger than the sum of its proper divisors (1).

426625469 is an equidigital number, since it uses as much as digits as its factorization.

426625469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 44.

The square root of 426625469 is about 20654.9139189685. The cubic root of 426625469 is about 752.8045920195.

The spelling of 426625469 in words is "four hundred twenty-six million, six hundred twenty-five thousand, four hundred sixty-nine".