2123274697 has 2 divisors, whose sum is σ = 2123274698. Its totient is φ = 2123274696.

The previous prime is 2123274677. The next prime is 2123274767. The reversal of 2123274697 is 7964723212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1923787321 + 199487376 = 43861^2 + 14124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123274697 - 2¹¹ = 2123272649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123274607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061637348 + 1061637349.

It is an arithmetic number, because the mean of its divisors is an integer number (1061637349).

Almost surely, 2^2123274697 is an apocalyptic number.

It is an amenable number.

2123274697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123274697 is an equidigital number, since it uses as much as digits as its factorization.

2123274697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The square root of 2123274697 is about 46079.0049480238. The cubic root of 2123274697 is about 1285.2927607417.

The spelling of 2123274697 in words is "two billion, one hundred twenty-three million, two hundred seventy-four thousand, six hundred ninety-seven".