426764169439 has 2 divisors, whose sum is σ = 426764169440. Its totient is φ = 426764169438.

The previous prime is 426764169431. The next prime is 426764169467. The reversal of 426764169439 is 934961467624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426764169439 - 2³ = 426764169431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426764169431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213382084719 + 213382084720.

It is an arithmetic number, because the mean of its divisors is an integer number (213382084720).

Almost surely, 2^426764169439 is an apocalyptic number.

426764169439 is a deficient number, since it is larger than the sum of its proper divisors (1).

426764169439 is an equidigital number, since it uses as much as digits as its factorization.

426764169439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 61.

The spelling of 426764169439 in words is "four hundred twenty-six billion, seven hundred sixty-four million, one hundred sixty-nine thousand, four hundred thirty-nine".