2195403972 has 12 divisors (see below), whose sum is σ = 5122609296. Its totient is φ = 731801320.

The previous prime is 2195403967. The next prime is 2195404009. The reversal of 2195403972 is 2793045912.

It is a tau number, because it is divible by the number of its divisors (12).

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, 91475154 + ... + 91475177.

It is an arithmetic number, because the mean of its divisors is an integer number (426884108).

Almost surely, 2^2195403972 is an apocalyptic number.

It is an amenable number.

2195403972 is an abundant number, since it is smaller than the sum of its proper divisors (2927205324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2195403972 is a wasteful number, since it uses less digits than its factorization.

2195403972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182950338 (or 182950336 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 2195403972 is about 46855.1381600780. The cubic root of 2195403972 is about 1299.6851253179.

The spelling of 2195403972 in words is "two billion, one hundred ninety-five million, four hundred three thousand, nine hundred seventy-two".