2197852173936 has 90 divisors (see below), whose sum is σ = 6387183666552. Its totient is φ = 732617356320.

The previous prime is 2197852173931. The next prime is 2197852173967. The reversal of 2197852173936 is 6393712587912.

2197852173936 is a `hidden beast` number, since 2 + 1 + 9 + 7 + 8 + 521 + 73 + 9 + 36 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197852173931) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10363380 + ... + 10573331.

Almost surely, 2^{2197852173936} is an apocalyptic number.

It is an amenable number.

2197852173936 is an abundant number, since it is smaller than the sum of its proper divisors (4189331492616).

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

2197852173936 is an frugal number, since it uses more digits than its factorization.

2197852173936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20936743 (or 20936716 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 2197852173936 in words is "two trillion, one hundred ninety-seven billion, eight hundred fifty-two million, one hundred seventy-three thousand, nine hundred thirty-six".