1329297499 has 2 divisors, whose sum is σ = 1329297500. Its totient is φ = 1329297498.

The previous prime is 1329297481. The next prime is 1329297533. The reversal of 1329297499 is 9947929231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1329297499 - 2²⁹ = 792426587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1329292499) 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, 664648749 + 664648750.

It is an arithmetic number, because the mean of its divisors is an integer number (664648750).

Almost surely, 2^1329297499 is an apocalyptic number.

1329297499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329297499 is an equidigital number, since it uses as much as digits as its factorization.

1329297499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 55.

The square root of 1329297499 is about 36459.5323475220. The cubic root of 1329297499 is about 1099.5307913460.

The spelling of 1329297499 in words is "one billion, three hundred twenty-nine million, two hundred ninety-seven thousand, four hundred ninety-nine".