2160329491 has 2 divisors, whose sum is σ = 2160329492. Its totient is φ = 2160329490.

The previous prime is 2160329477. The next prime is 2160329527. The reversal of 2160329491 is 1949230612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2160329491 - 2¹⁷ = 2160198419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2160329491.

It is not a weakly prime, because it can be changed into another prime (2160321491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080164745 + 1080164746.

It is an arithmetic number, because the mean of its divisors is an integer number (1080164746).

Almost surely, 2^2160329491 is an apocalyptic number.

2160329491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160329491 is an equidigital number, since it uses as much as digits as its factorization.

2160329491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2160329491 is about 46479.3447780840. The cubic root of 2160329491 is about 1292.7265390884.

The spelling of 2160329491 in words is "two billion, one hundred sixty million, three hundred twenty-nine thousand, four hundred ninety-one".