2195788829388 has 96 divisors (see below), whose sum is σ = 6388937952768. Its totient is φ = 570228633600.

The previous prime is 2195788829357. The next prime is 2195788829467. The reversal of 2195788829388 is 8839288875912.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4809106 + ... + 5245862.

It is an arithmetic number, because the mean of its divisors is an integer number (66551437008).

Almost surely, 2^{2195788829388} is an apocalyptic number.

2195788829388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2195788829388 is an abundant number, since it is smaller than the sum of its proper divisors (4193149123380).

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

2195788829388 is a wasteful number, since it uses less digits than its factorization.

2195788829388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442223 (or 442221 counting only the distinct ones).

The product of its digits is 1114767360, while the sum is 78.

The spelling of 2195788829388 in words is "two trillion, one hundred ninety-five billion, seven hundred eighty-eight million, eight hundred twenty-nine thousand, three hundred eighty-eight".