2195191013784 has 32 divisors (see below), whose sum is σ = 5488061310000. Its totient is φ = 731719167872.

The previous prime is 2195191013777. The next prime is 2195191013797. The reversal of 2195191013784 is 4873101915912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990142 + ... + 2317490.

Almost surely, 2^{2195191013784} is an apocalyptic number.

2195191013784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2195191013784 is an abundant number, since it is smaller than the sum of its proper divisors (3292870296216).

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

2195191013784 is a wasteful number, since it uses less digits than its factorization.

2195191013784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396267 (or 1396263 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 2195191013784 in words is "two trillion, one hundred ninety-five billion, one hundred ninety-one million, thirteen thousand, seven hundred eighty-four".