426287725739 has 2 divisors, whose sum is σ = 426287725740. Its totient is φ = 426287725738.

The previous prime is 426287725627. The next prime is 426287725757. The reversal of 426287725739 is 937527782624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426287725739 - 2⁸ = 426287725483 is a prime.

It is a super-2 number, since 2×426287725739² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426287725139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213143862869 + 213143862870.

It is an arithmetic number, because the mean of its divisors is an integer number (213143862870).

Almost surely, 2^426287725739 is an apocalyptic number.

426287725739 is a deficient number, since it is larger than the sum of its proper divisors (1).

426287725739 is an equidigital number, since it uses as much as digits as its factorization.

426287725739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71124480, while the sum is 62.

The spelling of 426287725739 in words is "four hundred twenty-six billion, two hundred eighty-seven million, seven hundred twenty-five thousand, seven hundred thirty-nine".