13990549633 has 2 divisors, whose sum is σ = 13990549634. Its totient is φ = 13990549632.

The previous prime is 13990549621. The next prime is 13990549649. The reversal of 13990549633 is 33694509931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9217536064 + 4773013569 = 96008^2 + 69087^2 .

It is an emirp because it is prime and its reverse (33694509931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13990549633 - 2¹³ = 13990541441 is a prime.

It is not a weakly prime, because it can be changed into another prime (13990549613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6995274816 + 6995274817.

It is an arithmetic number, because the mean of its divisors is an integer number (6995274817).

Almost surely, 2^13990549633 is an apocalyptic number.

It is an amenable number.

13990549633 is a deficient number, since it is larger than the sum of its proper divisors (1).

13990549633 is an equidigital number, since it uses as much as digits as its factorization.

13990549633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2361960, while the sum is 52.

The spelling of 13990549633 in words is "thirteen billion, nine hundred ninety million, five hundred forty-nine thousand, six hundred thirty-three".