426539937919 has 2 divisors, whose sum is σ = 426539937920. Its totient is φ = 426539937918.

The previous prime is 426539937913. The next prime is 426539937931. The reversal of 426539937919 is 919739935624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426539937919 - 2⁹ = 426539937407 is a prime.

It is a super-2 number, since 2×426539937919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426539937913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213269968959 + 213269968960.

It is an arithmetic number, because the mean of its divisors is an integer number (213269968960).

Almost surely, 2^426539937919 is an apocalyptic number.

426539937919 is a deficient number, since it is larger than the sum of its proper divisors (1).

426539937919 is an equidigital number, since it uses as much as digits as its factorization.

426539937919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99202320, while the sum is 67.

The spelling of 426539937919 in words is "four hundred twenty-six billion, five hundred thirty-nine million, nine hundred thirty-seven thousand, nine hundred nineteen".