506453746254245 has 16 divisors (see below), whose sum is σ = 659189151513648. Its totient is φ = 372029150760960.

The previous prime is 506453746254179. The next prime is 506453746254251. The reversal of 506453746254245 is 542452647354605.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 34246852030561 + 472206894223684 = 5852081^2 + 21730322^2 .

It is not a de Polignac number, because 506453746254245 - 2⁸ = 506453746253989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72661940024 + ... + 72661946993.

It is an arithmetic number, because the mean of its divisors is an integer number (41199321969603).

Almost surely, 2^{506453746254245} is an apocalyptic number.

It is an amenable number.

506453746254245 is a deficient number, since it is larger than the sum of its proper divisors (152735405259403).

506453746254245 is a wasteful number, since it uses less digits than its factorization.

506453746254245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145323887080.

The product of its (nonzero) digits is 483840000, while the sum is 62.

The spelling of 506453746254245 in words is "five hundred six trillion, four hundred fifty-three billion, seven hundred forty-six million, two hundred fifty-four thousand, two hundred forty-five".