4321139200225 has 27 divisors (see below), whose sum is σ = 5424630155833. Its totient is φ = 3414580000640.

The previous prime is 4321139200171. The next prime is 4321139200237. The reversal of 4321139200225 is 5220029311234.

The square root of 4321139200225 is 2078735.

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

It can be written as a sum of positive squares in 4 ways, for example, as 123672492241 + 4197466707984 = 351671^2 + 2048772^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4321139200225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 862672521 + ... + 862677529.

Almost surely, 2^{4321139200225} is an apocalyptic number.

4321139200225 is the 2078735-th square number.

4321139200225 is the 1039368-th centered octagonal number.

It is an amenable number.

4321139200225 is a deficient number, since it is larger than the sum of its proper divisors (1103490955608).

4321139200225 is an frugal number, since it uses more digits than its factorization.

4321139200225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 4321139200225 in words is "four trillion, three hundred twenty-one billion, one hundred thirty-nine million, two hundred thousand, two hundred twenty-five".