2097740291 has 2 divisors, whose sum is σ = 2097740292. Its totient is φ = 2097740290.

The previous prime is 2097740189. The next prime is 2097740299. The reversal of 2097740291 is 1920477902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2097740291 - 2¹⁸ = 2097478147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2097740299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048870145 + 1048870146.

It is an arithmetic number, because the mean of its divisors is an integer number (1048870146).

Almost surely, 2^2097740291 is an apocalyptic number.

2097740291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097740291 is an equidigital number, since it uses as much as digits as its factorization.

2097740291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2097740291 is about 45801.0948668261. The cubic root of 2097740291 is about 1280.1196769205.

The spelling of 2097740291 in words is "two billion, ninety-seven million, seven hundred forty thousand, two hundred ninety-one".