17449089025 has 27 divisors (see below), whose sum is σ = 22433321833. Its totient is φ = 13463122400.

The previous prime is 17449089013. The next prime is 17449089029. The reversal of 17449089025 is 52098094471.

The square root of 17449089025 is 132095.

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 239847169 + 17209241856 = 15487^2 + 131184^2 .

It is not a de Polignac number, because 17449089025 - 2²¹ = 17446991873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17449089025.

It is not an unprimeable number, because it can be changed into a prime (17449089029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19153320 + ... + 19154230.

Almost surely, 2^17449089025 is an apocalyptic number.

17449089025 is the 132095-th square number.

17449089025 is the 66048-th centered octagonal number.

It is an amenable number.

17449089025 is a deficient number, since it is larger than the sum of its proper divisors (4984232808).

17449089025 is an frugal number, since it uses more digits than its factorization.

17449089025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

Multiplying 17449089025 by its sum of digits (49), we get a square (855005362225 = 924665²).

The spelling of 17449089025 in words is "seventeen billion, four hundred forty-nine million, eighty-nine thousand, twenty-five".