426626843 has 2 divisors, whose sum is σ = 426626844. Its totient is φ = 426626842.

The previous prime is 426626833. The next prime is 426626873. The reversal of 426626843 is 348626624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426626843 - 2¹⁰ = 426625819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426626843.

It is not a weakly prime, because it can be changed into another prime (426626833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213313421 + 213313422.

It is an arithmetic number, because the mean of its divisors is an integer number (213313422).

Almost surely, 2^426626843 is an apocalyptic number.

426626843 is a deficient number, since it is larger than the sum of its proper divisors (1).

426626843 is an equidigital number, since it uses as much as digits as its factorization.

426626843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 41.

The square root of 426626843 is about 20654.9471797921. The cubic root of 426626843 is about 752.8054001854.

The spelling of 426626843 in words is "four hundred twenty-six million, six hundred twenty-six thousand, eight hundred forty-three".