2195523792900 has 81 divisors (see below), whose sum is σ = 6881886690133. Its totient is φ = 585461157600.

The previous prime is 2195523792877. The next prime is 2195523792911. The reversal of 2195523792900 is 92973255912.

The square root of 2195523792900 is 1481730.

It is a perfect power (a square), and thus also a powerful number.

2195523792900 is a `hidden beast` number, since 2 + 1 + 95 + 523 + 7 + 9 + 29 + 0 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 790388565444 + 1405135227456 = 889038^2 + 1185384^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 44427205 + ... + 44476595.

Almost surely, 2^{2195523792900} is an apocalyptic number.

2195523792900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2195523792900 is the 1481730-th square number.

It is an amenable number.

2195523792900 is an abundant number, since it is smaller than the sum of its proper divisors (4686362897233).

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

2195523792900 is an frugal number, since it uses more digits than its factorization.

2195523792900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98802 (or 49401 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 2195523792900 in words is "two trillion, one hundred ninety-five billion, five hundred twenty-three million, seven hundred ninety-two thousand, nine hundred".