2195865902 has 8 divisors (see below), whose sum is σ = 3294342912. Its totient is φ = 1097751600.

The previous prime is 2195865883. The next prime is 2195865923. The reversal of 2195865902 is 2095685912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74999 + ... + 100082.

It is an arithmetic number, because the mean of its divisors is an integer number (411792864).

Almost surely, 2^2195865902 is an apocalyptic number.

2195865902 is a deficient number, since it is larger than the sum of its proper divisors (1098477010).

2195865902 is a wasteful number, since it uses less digits than its factorization.

2195865902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181354.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 2195865902 is about 46860.0672428028. The cubic root of 2195865902 is about 1299.7762735310.

The spelling of 2195865902 in words is "two billion, one hundred ninety-five million, eight hundred sixty-five thousand, nine hundred two".