13933454489 has 2 divisors, whose sum is σ = 13933454490. Its totient is φ = 13933454488.

The previous prime is 13933454443. The next prime is 13933454503. The reversal of 13933454489 is 98445433931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8708622400 + 5224832089 = 93320^2 + 72283^2 .

It is a cyclic number.

It is not a de Polignac number, because 13933454489 - 2⁸ = 13933454233 is a prime.

It is a super-2 number, since 2×13933454489² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13933454489.

It is not a weakly prime, because it can be changed into another prime (13933454089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6966727244 + 6966727245.

It is an arithmetic number, because the mean of its divisors is an integer number (6966727245).

Almost surely, 2^13933454489 is an apocalyptic number.

It is an amenable number.

13933454489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13933454489 is an equidigital number, since it uses as much as digits as its factorization.

13933454489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 53.

The spelling of 13933454489 in words is "thirteen billion, nine hundred thirty-three million, four hundred fifty-four thousand, four hundred eighty-nine".