426499133 has 2 divisors, whose sum is σ = 426499134. Its totient is φ = 426499132.

The previous prime is 426499093. The next prime is 426499159. The reversal of 426499133 is 331994624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414651769 + 11847364 = 20363^2 + 3442^2 .

It is a cyclic number.

It is not a de Polignac number, because 426499133 - 2¹² = 426495037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426499163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213249566 + 213249567.

It is an arithmetic number, because the mean of its divisors is an integer number (213249567).

Almost surely, 2^426499133 is an apocalyptic number.

It is an amenable number.

426499133 is a deficient number, since it is larger than the sum of its proper divisors (1).

426499133 is an equidigital number, since it uses as much as digits as its factorization.

426499133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 426499133 is about 20651.8554372240. The cubic root of 426499133 is about 752.7302756950.

The spelling of 426499133 in words is "four hundred twenty-six million, four hundred ninety-nine thousand, one hundred thirty-three".