269345430225 has 135 divisors (see below), whose sum is σ = 527430799467. Its totient is φ = 135866121120.

The previous prime is 269345430181. The next prime is 269345430227. The reversal of 269345430225 is 522034543962.

The square root of 269345430225 is 518985.

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

269345430225 is a `hidden beast` number, since 269 + 34 + 54 + 302 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 96964354881 + 172381075344 = 311391^2 + 415188^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 269345430225 - 2⁹ = 269345429713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (269345430227) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 443731872 + ... + 443732478.

Almost surely, 2^269345430225 is an apocalyptic number.

269345430225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

269345430225 is the 518985-th square number.

269345430225 is the 259493-rd centered octagonal number.

It is an amenable number.

269345430225 is a deficient number, since it is larger than the sum of its proper divisors (258085369242).

269345430225 is an frugal number, since it uses more digits than its factorization.

269345430225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 269345430225 in words is "two hundred sixty-nine billion, three hundred forty-five million, four hundred thirty thousand, two hundred twenty-five".