1850130438025 has 9 divisors (see below), whose sum is σ = 2294170176391. Its totient is φ = 1480098909640.

The previous prime is 1850130438001. The next prime is 1850130438043. The reversal of 1850130438025 is 5208340310581.

The square root of 1850130438025 is 1360195.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 666046957689 + 1184083480336 = 816117^2 + 1088156^2 .

It is not a de Polignac number, because 1850130438025 - 2²⁹ = 1849593567113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6664956 + ... + 6936994.

Almost surely, 2^{1850130438025} is an apocalyptic number.

1850130438025 is the 1360195-th square number.

1850130438025 is the 680098-th centered octagonal number.

It is an amenable number.

1850130438025 is a deficient number, since it is larger than the sum of its proper divisors (444039738366).

1850130438025 is an frugal number, since it uses more digits than its factorization.

1850130438025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544088 (or 272044 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 1850130438025 in words is "one trillion, eight hundred fifty billion, one hundred thirty million, four hundred thirty-eight thousand, twenty-five".