426102889 has 2 divisors, whose sum is σ = 426102890. Its totient is φ = 426102888.

The previous prime is 426102883. The next prime is 426102917. The reversal of 426102889 is 988201624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339296400 + 86806489 = 18420^2 + 9317^2 .

It is a cyclic number.

It is not a de Polignac number, because 426102889 - 2⁵ = 426102857 is a prime.

It is not a weakly prime, because it can be changed into another prime (426102883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213051444 + 213051445.

It is an arithmetic number, because the mean of its divisors is an integer number (213051445).

Almost surely, 2^426102889 is an apocalyptic number.

It is an amenable number.

426102889 is a deficient number, since it is larger than the sum of its proper divisors (1).

426102889 is an equidigital number, since it uses as much as digits as its factorization.

426102889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 426102889 is about 20642.2597842387. The cubic root of 426102889 is about 752.4970925153.

The spelling of 426102889 in words is "four hundred twenty-six million, one hundred two thousand, eight hundred eighty-nine".