2091837329 has 2 divisors, whose sum is σ = 2091837330. Its totient is φ = 2091837328.

The previous prime is 2091837317. The next prime is 2091837353. The reversal of 2091837329 is 9237381902.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1750585600 + 341251729 = 41840^2 + 18473^2 .

It is a cyclic number.

It is not a de Polignac number, because 2091837329 - 2²⁰ = 2090788753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2091837329.

It is not a weakly prime, because it can be changed into another prime (2091837379) 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, 1045918664 + 1045918665.

It is an arithmetic number, because the mean of its divisors is an integer number (1045918665).

Almost surely, 2^2091837329 is an apocalyptic number.

It is an amenable number.

2091837329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091837329 is an equidigital number, since it uses as much as digits as its factorization.

2091837329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2091837329 is about 45736.6081930001. The cubic root of 2091837329 is about 1278.9178127301.

The spelling of 2091837329 in words is "two billion, ninety-one million, eight hundred thirty-seven thousand, three hundred twenty-nine".