13669633673 has 2 divisors, whose sum is σ = 13669633674. Its totient is φ = 13669633672.

The previous prime is 13669633639. The next prime is 13669633687. The reversal of 13669633673 is 37633696631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13016984464 + 652649209 = 114092^2 + 25547^2 .

It is an emirp because it is prime and its reverse (37633696631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13669633673 - 2¹⁴ = 13669617289 is a prime.

It is not a weakly prime, because it can be changed into another prime (13669633693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6834816836 + 6834816837.

It is an arithmetic number, because the mean of its divisors is an integer number (6834816837).

Almost surely, 2^13669633673 is an apocalyptic number.

It is an amenable number.

13669633673 is a deficient number, since it is larger than the sum of its proper divisors (1).

13669633673 is an equidigital number, since it uses as much as digits as its factorization.

13669633673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6613488, while the sum is 53.

The spelling of 13669633673 in words is "thirteen billion, six hundred sixty-nine million, six hundred thirty-three thousand, six hundred seventy-three".