426633269 has 2 divisors, whose sum is σ = 426633270. Its totient is φ = 426633268.

The previous prime is 426633227. The next prime is 426633283. The reversal of 426633269 is 962336624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384552100 + 42081169 = 19610^2 + 6487^2 .

It is a cyclic number.

It is not a de Polignac number, because 426633269 - 2¹⁶ = 426567733 is a prime.

It is a super-2 number, since 2×426633269² = 364031892435252722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426633299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213316634 + 213316635.

It is an arithmetic number, because the mean of its divisors is an integer number (213316635).

Almost surely, 2^426633269 is an apocalyptic number.

It is an amenable number.

426633269 is a deficient number, since it is larger than the sum of its proper divisors (1).

426633269 is an equidigital number, since it uses as much as digits as its factorization.

426633269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

The square root of 426633269 is about 20655.1027351597. The cubic root of 426633269 is about 752.8091798375.

The spelling of 426633269 in words is "four hundred twenty-six million, six hundred thirty-three thousand, two hundred sixty-nine".