39099130225 has 27 divisors (see below), whose sum is σ = 49263841921. Its totient is φ = 30783384800.

The previous prime is 39099130223. The next prime is 39099130241. The reversal of 39099130225 is 52203199093.

The square root of 39099130225 is 197735.

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

39099130225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13442779249 + 25656350976 = 115943^2 + 160176^2 .

It is not a de Polignac number, because 39099130225 - 2¹ = 39099130223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39099130223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 70195647 + ... + 70196203.

Almost surely, 2^39099130225 is an apocalyptic number.

39099130225 is the 197735-th square number.

39099130225 is the 98868-th centered octagonal number.

It is an amenable number.

39099130225 is a deficient number, since it is larger than the sum of its proper divisors (10164711696).

39099130225 is an frugal number, since it uses more digits than its factorization.

39099130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The spelling of 39099130225 in words is "thirty-nine billion, ninety-nine million, one hundred thirty thousand, two hundred twenty-five".