2197576370881 has 16 divisors (see below), whose sum is σ = 2289938675200. Its totient is φ = 2106567388800.

The previous prime is 2197576370861. The next prime is 2197576370887. The reversal of 2197576370881 is 1880736757912.

It is a cyclic number.

It is not a de Polignac number, because 2197576370881 - 2⁵ = 2197576370849 is a prime.

It is a super-2 number, since 2×2197576370881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197576370887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11832346 + ... + 12016636.

It is an arithmetic number, because the mean of its divisors is an integer number (143121167200).

Almost surely, 2^{2197576370881} is an apocalyptic number.

It is an amenable number.

2197576370881 is a deficient number, since it is larger than the sum of its proper divisors (92362304319).

2197576370881 is a wasteful number, since it uses less digits than its factorization.

2197576370881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187960.

The product of its (nonzero) digits is 35562240, while the sum is 64.

The spelling of 2197576370881 in words is "two trillion, one hundred ninety-seven billion, five hundred seventy-six million, three hundred seventy thousand, eight hundred eighty-one".