13346640499 has 2 divisors, whose sum is σ = 13346640500. Its totient is φ = 13346640498.

The previous prime is 13346640469. The next prime is 13346640533. The reversal of 13346640499 is 99404664331.

It is a happy number.

13346640499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13346640499 is a prime.

It is not a weakly prime, because it can be changed into another prime (13346640469) 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, 6673320249 + 6673320250.

It is an arithmetic number, because the mean of its divisors is an integer number (6673320250).

Almost surely, 2^13346640499 is an apocalyptic number.

13346640499 is a deficient number, since it is larger than the sum of its proper divisors (1).

13346640499 is an equidigital number, since it uses as much as digits as its factorization.

13346640499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 13346640499 in words is "thirteen billion, three hundred forty-six million, six hundred forty thousand, four hundred ninety-nine".