2195980197869 has 64 divisors (see below), whose sum is σ = 2542476625920. Its totient is φ = 1882911744000.

The previous prime is 2195980197799. The next prime is 2195980197881. The reversal of 2195980197869 is 9687910895912.

It is a cyclic number.

It is not a de Polignac number, because 2195980197869 - 2²⁴ = 2195963420653 is a prime.

It is a super-2 number, since 2×2195980197869² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2195980197796 and 2195980197805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195980197889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1297093187 + ... + 1297094879.

It is an arithmetic number, because the mean of its divisors is an integer number (39726197280).

Almost surely, 2^{2195980197869} is an apocalyptic number.

It is an amenable number.

2195980197869 is a deficient number, since it is larger than the sum of its proper divisors (346496428051).

2195980197869 is a wasteful number, since it uses less digits than its factorization.

2195980197869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 176359680, while the sum is 74.

The spelling of 2195980197869 in words is "two trillion, one hundred ninety-five billion, nine hundred eighty million, one hundred ninety-seven thousand, eight hundred sixty-nine".