426764169239 has 2 divisors, whose sum is σ = 426764169240. Its totient is φ = 426764169238.

The previous prime is 426764169199. The next prime is 426764169241. The reversal of 426764169239 is 932961467624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426764169239 - 2²⁴ = 426747392023 is a prime.

It is a super-2 number, since 2×426764169239² (a number of 24 digits) contains 22 as substring.

Together with 426764169241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426764169439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213382084619 + 213382084620.

It is an arithmetic number, because the mean of its divisors is an integer number (213382084620).

Almost surely, 2^426764169239 is an apocalyptic number.

426764169239 is a deficient number, since it is larger than the sum of its proper divisors (1).

426764169239 is an equidigital number, since it uses as much as digits as its factorization.

426764169239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 59.

The spelling of 426764169239 in words is "four hundred twenty-six billion, seven hundred sixty-four million, one hundred sixty-nine thousand, two hundred thirty-nine".