426646027 has 2 divisors, whose sum is σ = 426646028. Its totient is φ = 426646026.

The previous prime is 426646013. The next prime is 426646049. The reversal of 426646027 is 720646624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426646027 - 2¹⁵ = 426613259 is a prime.

It is not a weakly prime, because it can be changed into another prime (426646327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213323013 + 213323014.

It is an arithmetic number, because the mean of its divisors is an integer number (213323014).

Almost surely, 2^426646027 is an apocalyptic number.

426646027 is a deficient number, since it is larger than the sum of its proper divisors (1).

426646027 is an equidigital number, since it uses as much as digits as its factorization.

426646027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 426646027 is about 20655.4115669478. The cubic root of 426646027 is about 752.8166837404.

The spelling of 426646027 in words is "four hundred twenty-six million, six hundred forty-six thousand, twenty-seven".