29194848225 has 45 divisors (see below), whose sum is σ = 54093197257. Its totient is φ = 15566484960.

The previous prime is 29194848191. The next prime is 29194848227. The reversal of 29194848225 is 52284849192.

The square root of 29194848225 is 170865.

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

29194848225 is a `hidden beast` number, since 291 + 94 + 8 + 48 + 225 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15387658209 + 13807190016 = 124047^2 + 117504^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 29194848225 - 2²¹ = 29192751073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29194848227) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 7687027 + ... + 7690823.

Almost surely, 2^29194848225 is an apocalyptic number.

29194848225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29194848225 is the 170865-th square number.

29194848225 is the 85433-rd centered octagonal number.

It is an amenable number.

29194848225 is a deficient number, since it is larger than the sum of its proper divisors (24898349032).

29194848225 is an frugal number, since it uses more digits than its factorization.

29194848225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616 (or 3805 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 29194848225 in words is "twenty-nine billion, one hundred ninety-four million, eight hundred forty-eight thousand, two hundred twenty-five".