442136362303525 has 6 divisors (see below), whose sum is σ = 548249089256402. Its totient is φ = 353709089842800.

The previous prime is 442136362303499. The next prime is 442136362303619. The reversal of 442136362303525 is 525303263631244.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 113181022763649 + 328955339539876 = 10638657^2 + 18137126^2 .

It is a de Polignac number, because none of the positive numbers 2^k-442136362303525 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 5 ways as a sum of consecutive naturals, for example, 8842727246046 + ... + 8842727246095.

Almost surely, 2^{442136362303525} is an apocalyptic number.

It is an amenable number.

442136362303525 is a deficient number, since it is larger than the sum of its proper divisors (106112726952877).

442136362303525 is a wasteful number, since it uses less digits than its factorization.

442136362303525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17685454492151 (or 17685454492146 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 49.

The spelling of 442136362303525 in words is "four hundred forty-two trillion, one hundred thirty-six billion, three hundred sixty-two million, three hundred three thousand, five hundred twenty-five".