426442633 has 2 divisors, whose sum is σ = 426442634. Its totient is φ = 426442632.

The previous prime is 426442591. The next prime is 426442693. The reversal of 426442633 is 336244624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401721849 + 24720784 = 20043^2 + 4972^2 .

It is a cyclic number.

It is not a de Polignac number, because 426442633 - 2¹³ = 426434441 is a prime.

It is not a weakly prime, because it can be changed into another prime (426442693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213221316 + 213221317.

It is an arithmetic number, because the mean of its divisors is an integer number (213221317).

Almost surely, 2^426442633 is an apocalyptic number.

It is an amenable number.

426442633 is a deficient number, since it is larger than the sum of its proper divisors (1).

426442633 is an equidigital number, since it uses as much as digits as its factorization.

426442633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 34.

The square root of 426442633 is about 20650.4874760864. The cubic root of 426442633 is about 752.6970351908.

The spelling of 426442633 in words is "four hundred twenty-six million, four hundred forty-two thousand, six hundred thirty-three".