426269797 has 2 divisors, whose sum is σ = 426269798. Its totient is φ = 426269796.

The previous prime is 426269791. The next prime is 426269801. The reversal of 426269797 is 797962624.

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., 416119201 + 10150596 = 20399^2 + 3186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426269797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426269791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213134898 + 213134899.

It is an arithmetic number, because the mean of its divisors is an integer number (213134899).

Almost surely, 2^426269797 is an apocalyptic number.

It is an amenable number.

426269797 is a deficient number, since it is larger than the sum of its proper divisors (1).

426269797 is an equidigital number, since it uses as much as digits as its factorization.

426269797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 52.

The square root of 426269797 is about 20646.3022597268. The cubic root of 426269797 is about 752.5953327857.

The spelling of 426269797 in words is "four hundred twenty-six million, two hundred sixty-nine thousand, seven hundred ninety-seven".