1308905997299 has 2 divisors, whose sum is σ = 1308905997300. Its totient is φ = 1308905997298.

The previous prime is 1308905997283. The next prime is 1308905997391. The reversal of 1308905997299 is 9927995098031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1308905997299 - 2⁴ = 1308905997283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1308905997229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654452998649 + 654452998650.

It is an arithmetic number, because the mean of its divisors is an integer number (654452998650).

Almost surely, 2^{1308905997299} is an apocalyptic number.

1308905997299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308905997299 is an equidigital number, since it uses as much as digits as its factorization.

1308905997299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 99202320, while the sum is 71.

The spelling of 1308905997299 in words is "one trillion, three hundred eight billion, nine hundred five million, nine hundred ninety-seven thousand, two hundred ninety-nine".