2195118964 has 24 divisors (see below), whose sum is σ = 3898160000. Its totient is φ = 1081416960.

The previous prime is 2195118941. The next prime is 2195119027. The reversal of 2195118964 is 4698115912.

It is a happy number.

It is a super-2 number, since 2×2195118964² = 9637094532224866592, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 150724 + ... + 164644.

Almost surely, 2^2195118964 is an apocalyptic number.

It is an amenable number.

2195118964 is a deficient number, since it is larger than the sum of its proper divisors (1703041036).

2195118964 is a wasteful number, since it uses less digits than its factorization.

2195118964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14503 (or 14501 counting only the distinct ones).

The product of its digits is 155520, while the sum is 46.

The square root of 2195118964 is about 46852.0966873415. The cubic root of 2195118964 is about 1299.6288810467.

The spelling of 2195118964 in words is "two billion, one hundred ninety-five million, one hundred eighteen thousand, nine hundred sixty-four".