426024869 has 2 divisors, whose sum is σ = 426024870. Its totient is φ = 426024868.

The previous prime is 426024799. The next prime is 426024871. The reversal of 426024869 is 968420624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366148225 + 59876644 = 19135^2 + 7738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426024869 is a prime.

It is a super-2 number, since 2×426024869² = 362994378012934322, which contains 22 as substring.

Together with 426024871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426024769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213012434 + 213012435.

It is an arithmetic number, because the mean of its divisors is an integer number (213012435).

Almost surely, 2^426024869 is an apocalyptic number.

It is an amenable number.

426024869 is a deficient number, since it is larger than the sum of its proper divisors (1).

426024869 is an equidigital number, since it uses as much as digits as its factorization.

426024869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 426024869 is about 20640.3698852516. The cubic root of 426024869 is about 752.4511619758.

The spelling of 426024869 in words is "four hundred twenty-six million, twenty-four thousand, eight hundred sixty-nine".