2197913140 has 24 divisors (see below), whose sum is σ = 4619774880. Its totient is φ = 878373408.

The previous prime is 2197913129. The next prime is 2197913147. The reversal of 2197913140 is 413197912.

It is a self number, because there is not a number n which added to its sum of digits gives 2197913140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197913147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26470 + ... + 71389.

It is an arithmetic number, because the mean of its divisors is an integer number (192490620).

Almost surely, 2^2197913140 is an apocalyptic number.

2197913140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197913140 is an abundant number, since it is smaller than the sum of its proper divisors (2421861740).

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

2197913140 is a wasteful number, since it uses less digits than its factorization.

2197913140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98991 (or 98989 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 2197913140 is about 46881.9063178962. The cubic root of 2197913140 is about 1300.1800815621.

The spelling of 2197913140 in words is "two billion, one hundred ninety-seven million, nine hundred thirteen thousand, one hundred forty".