426513230025121 has 8 divisors (see below), whose sum is σ = 426987940313384. Its totient is φ = 426038780643840.

The previous prime is 426513230025067. The next prime is 426513230025137. The reversal of 426513230025121 is 121520032315624.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 209596153134096 + 216917076891025 = 14477436^2 + 14728105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426513230025121 - 2²⁹ = 426512693154209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426513230025221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61955370 + ... + 68494483.

It is an arithmetic number, because the mean of its divisors is an integer number (53373492539173).

Almost surely, 2^{426513230025121} is an apocalyptic number.

It is an amenable number.

426513230025121 is a deficient number, since it is larger than the sum of its proper divisors (474710288263).

426513230025121 is a wasteful number, since it uses less digits than its factorization.

426513230025121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130453491.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 426513230025121 in words is "four hundred twenty-six trillion, five hundred thirteen billion, two hundred thirty million, twenty-five thousand, one hundred twenty-one".