426521206645283 has 2 divisors, whose sum is σ = 426521206645284. Its totient is φ = 426521206645282.

The previous prime is 426521206645243. The next prime is 426521206645439. The reversal of 426521206645283 is 382546602125624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426521206645283 - 2³⁴ = 426504026776099 is a prime.

It is not a weakly prime, because it can be changed into another prime (426521206645213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213260603322641 + 213260603322642.

It is an arithmetic number, because the mean of its divisors is an integer number (213260603322642).

Almost surely, 2^{426521206645283} is an apocalyptic number.

426521206645283 is a deficient number, since it is larger than the sum of its proper divisors (1).

426521206645283 is an equidigital number, since it uses as much as digits as its factorization.

426521206645283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33177600, while the sum is 56.

The spelling of 426521206645283 in words is "four hundred twenty-six trillion, five hundred twenty-one billion, two hundred six million, six hundred forty-five thousand, two hundred eighty-three".