2646329225 has 24 divisors (see below), whose sum is σ = 3482777088. Its totient is φ = 1987769600.

The previous prime is 2646329201. The next prime is 2646329347. The reversal of 2646329225 is 5229236462.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2646329225 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175952 + ... + 190398.

It is an arithmetic number, because the mean of its divisors is an integer number (145115712).

Almost surely, 2^2646329225 is an apocalyptic number.

2646329225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2646329225 is a deficient number, since it is larger than the sum of its proper divisors (836447863).

2646329225 is a wasteful number, since it uses less digits than its factorization.

2646329225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14905 (or 14900 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 2646329225 is about 51442.4846308963. The cubic root of 2646329225 is about 1383.1882499735.

The spelling of 2646329225 in words is "two billion, six hundred forty-six million, three hundred twenty-nine thousand, two hundred twenty-five".