34189520225 has 12 divisors (see below), whose sum is σ = 48451434624. Its totient is φ = 23444242320.

The previous prime is 34189520221. The next prime is 34189520243. The reversal of 34189520225 is 52202598143.

It is not a de Polignac number, because 34189520225 - 2² = 34189520221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34189520221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97684169 + ... + 97684518.

It is an arithmetic number, because the mean of its divisors is an integer number (4037619552).

Almost surely, 2^34189520225 is an apocalyptic number.

34189520225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34189520225 is a deficient number, since it is larger than the sum of its proper divisors (14261914399).

34189520225 is a wasteful number, since it uses less digits than its factorization.

34189520225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195368704 (or 195368699 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 34189520225 in words is "thirty-four billion, one hundred eighty-nine million, five hundred twenty thousand, two hundred twenty-five".