7329490991 has 2 divisors, whose sum is σ = 7329490992. Its totient is φ = 7329490990.

The previous prime is 7329490979. The next prime is 7329491009. The reversal of 7329490991 is 1990949237.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7329490991 - 2¹⁰ = 7329489967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7329490591) 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, 3664745495 + 3664745496.

It is an arithmetic number, because the mean of its divisors is an integer number (3664745496).

Almost surely, 2^7329490991 is an apocalyptic number.

7329490991 is a deficient number, since it is larger than the sum of its proper divisors (1).

7329490991 is an equidigital number, since it uses as much as digits as its factorization.

7329490991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 7329490991 is about 85612.4464724610. The cubic root of 7329490991 is about 1942.4861835813.

The spelling of 7329490991 in words is "seven billion, three hundred twenty-nine million, four hundred ninety thousand, nine hundred ninety-one".