2002329491 has 2 divisors, whose sum is σ = 2002329492. Its totient is φ = 2002329490.

The previous prime is 2002329457. The next prime is 2002329493. The reversal of 2002329491 is 1949232002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002329491 - 2¹⁰ = 2002328467 is a prime.

Together with 2002329493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2002329493) 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, 1001164745 + 1001164746.

It is an arithmetic number, because the mean of its divisors is an integer number (1001164746).

Almost surely, 2^2002329491 is an apocalyptic number.

2002329491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002329491 is an equidigital number, since it uses as much as digits as its factorization.

2002329491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2002329491 is about 44747.3964717502. The cubic root of 2002329491 is about 1260.4100225588.

The spelling of 2002329491 in words is "two billion, two million, three hundred twenty-nine thousand, four hundred ninety-one".