13430321999 has 2 divisors, whose sum is σ = 13430322000. Its totient is φ = 13430321998.

The previous prime is 13430321923. The next prime is 13430322023. The reversal of 13430321999 is 99912303431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13430321999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13430321909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715160999 + 6715161000.

It is an arithmetic number, because the mean of its divisors is an integer number (6715161000).

Almost surely, 2^13430321999 is an apocalyptic number.

13430321999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13430321999 is an equidigital number, since it uses as much as digits as its factorization.

13430321999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 13430321999 in words is "thirteen billion, four hundred thirty million, three hundred twenty-one thousand, nine hundred ninety-nine".