426859776839 has 2 divisors, whose sum is σ = 426859776840. Its totient is φ = 426859776838.

The previous prime is 426859776797. The next prime is 426859776901. The reversal of 426859776839 is 938677958624.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426859776839 is a prime.

It is a super-3 number, since 3×426859776839³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426859776139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213429888419 + 213429888420.

It is an arithmetic number, because the mean of its divisors is an integer number (213429888420).

Almost surely, 2^426859776839 is an apocalyptic number.

426859776839 is a deficient number, since it is larger than the sum of its proper divisors (1).

426859776839 is an equidigital number, since it uses as much as digits as its factorization.

426859776839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1097349120, while the sum is 74.

The spelling of 426859776839 in words is "four hundred twenty-six billion, eight hundred fifty-nine million, seven hundred seventy-six thousand, eight hundred thirty-nine".