2197960921848 has 32 divisors (see below), whose sum is σ = 5495839234560. Its totient is φ = 732528716640.

The previous prime is 2197960921847. The next prime is 2197960921901. The reversal of 2197960921848 is 8481290697912.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197960921847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7664008 + ... + 7945623.

It is an arithmetic number, because the mean of its divisors is an integer number (171744976080).

Almost surely, 2^{2197960921848} is an apocalyptic number.

It is an amenable number.

2197960921848 is an abundant number, since it is smaller than the sum of its proper divisors (3297878312712).

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

2197960921848 is a wasteful number, since it uses less digits than its factorization.

2197960921848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15615507 (or 15615503 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 66.

The spelling of 2197960921848 in words is "two trillion, one hundred ninety-seven billion, nine hundred sixty million, nine hundred twenty-one thousand, eight hundred forty-eight".