2097712697 has 4 divisors (see below), whose sum is σ = 2104872420. Its totient is φ = 2090552976.

The previous prime is 2097712691. The next prime is 2097712751. The reversal of 2097712697 is 7962177902.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1665945856 + 431766841 = 40816^2 + 20779^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097712697 - 2²⁰ = 2096664121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2097712691) 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, 3579422 + ... + 3580007.

It is an arithmetic number, because the mean of its divisors is an integer number (526218105).

Almost surely, 2^2097712697 is an apocalyptic number.

It is an amenable number.

2097712697 is a deficient number, since it is larger than the sum of its proper divisors (7159723).

2097712697 is an equidigital number, since it uses as much as digits as its factorization.

2097712697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159722.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 2097712697 is about 45800.7936284951. The cubic root of 2097712697 is about 1280.1140639319.

The spelling of 2097712697 in words is "two billion, ninety-seven million, seven hundred twelve thousand, six hundred ninety-seven".