2091597029 has 2 divisors, whose sum is σ = 2091597030. Its totient is φ = 2091597028.

The previous prime is 2091597019. The next prime is 2091597031. The reversal of 2091597029 is 9207951902.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1764168004 + 327429025 = 42002^2 + 18095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2091597029 is a prime.

Together with 2091597031, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2091597019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045798514 + 1045798515.

It is an arithmetic number, because the mean of its divisors is an integer number (1045798515).

Almost surely, 2^2091597029 is an apocalyptic number.

It is an amenable number.

2091597029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091597029 is an equidigital number, since it uses as much as digits as its factorization.

2091597029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 2091597029 is about 45733.9811190760. The cubic root of 2091597029 is about 1278.8688389221.

The spelling of 2091597029 in words is "two billion, ninety-one million, five hundred ninety-seven thousand, twenty-nine".