426363389 has 2 divisors, whose sum is σ = 426363390. Its totient is φ = 426363388.

The previous prime is 426363373. The next prime is 426363479. The reversal of 426363389 is 983363624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377991364 + 48372025 = 19442^2 + 6955^2 .

It is a cyclic number.

It is not a de Polignac number, because 426363389 - 2⁴ = 426363373 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426363359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213181694 + 213181695.

It is an arithmetic number, because the mean of its divisors is an integer number (213181695).

Almost surely, 2^426363389 is an apocalyptic number.

It is an amenable number.

426363389 is a deficient number, since it is larger than the sum of its proper divisors (1).

426363389 is an equidigital number, since it uses as much as digits as its factorization.

426363389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 44.

The square root of 426363389 is about 20648.5686913161. The cubic root of 426363389 is about 752.6504088185.

The spelling of 426363389 in words is "four hundred twenty-six million, three hundred sixty-three thousand, three hundred eighty-nine".