29299148225 has 12 divisors (see below), whose sum is σ = 36664258620. Its totient is φ = 23224276800.

The previous prime is 29299148213. The next prime is 29299148243. The reversal of 29299148225 is 52284199292.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 328044544 + 28971103681 = 18112^2 + 170209^2 .

It is not a de Polignac number, because 29299148225 - 2⁴ = 29299148209 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5373266 + ... + 5378715.

It is an arithmetic number, because the mean of its divisors is an integer number (3055354885).

Almost surely, 2^29299148225 is an apocalyptic number.

29299148225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29299148225 is a deficient number, since it is larger than the sum of its proper divisors (7365110395).

29299148225 is a wasteful number, since it uses less digits than its factorization.

29299148225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752100 (or 10752095 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The spelling of 29299148225 in words is "twenty-nine billion, two hundred ninety-nine million, one hundred forty-eight thousand, two hundred twenty-five".