425768321513 has 12 divisors (see below), whose sum is σ = 450143776368. Its totient is φ = 402652858680.

The previous prime is 425768321497. The next prime is 425768321543. The reversal of 425768321513 is 315123867524.

It is not a de Polignac number, because 425768321513 - 2⁴ = 425768321497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425768321543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826631 + ... + 1238892.

It is an arithmetic number, because the mean of its divisors is an integer number (37511981364).

Almost surely, 2^425768321513 is an apocalyptic number.

It is an amenable number.

425768321513 is a deficient number, since it is larger than the sum of its proper divisors (24375454855).

425768321513 is a wasteful number, since it uses less digits than its factorization.

425768321513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066132 (or 2066113 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The spelling of 425768321513 in words is "four hundred twenty-five billion, seven hundred sixty-eight million, three hundred twenty-one thousand, five hundred thirteen".