2097740199 has 4 divisors (see below), whose sum is σ = 2796986936. Its totient is φ = 1398493464.

The previous prime is 2097740189. The next prime is 2097740291. The reversal of 2097740199 is 9910477902.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2097740199 - 2⁹ = 2097739687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097740129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349623364 + ... + 349623369.

It is an arithmetic number, because the mean of its divisors is an integer number (699246734).

Almost surely, 2^2097740199 is an apocalyptic number.

2097740199 is a deficient number, since it is larger than the sum of its proper divisors (699246737).

2097740199 is an equidigital number, since it uses as much as digits as its factorization.

2097740199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699246736.

The product of its (nonzero) digits is 285768, while the sum is 48.

The square root of 2097740199 is about 45801.0938624832. The cubic root of 2097740199 is about 1280.1196582066.

The spelling of 2097740199 in words is "two billion, ninety-seven million, seven hundred forty thousand, one hundred ninety-nine".