13881630673 has 2 divisors, whose sum is σ = 13881630674. Its totient is φ = 13881630672.

The previous prime is 13881630599. The next prime is 13881630683. The reversal of 13881630673 is 37603618831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8076257424 + 5805373249 = 89868^2 + 76193^2 .

It is a cyclic number.

It is not a de Polignac number, because 13881630673 - 2²⁹ = 13344759761 is a prime.

It is not a weakly prime, because it can be changed into another prime (13881630683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6940815336 + 6940815337.

It is an arithmetic number, because the mean of its divisors is an integer number (6940815337).

Almost surely, 2^13881630673 is an apocalyptic number.

It is an amenable number.

13881630673 is a deficient number, since it is larger than the sum of its proper divisors (1).

13881630673 is an equidigital number, since it uses as much as digits as its factorization.

13881630673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 13881630673 in words is "thirteen billion, eight hundred eighty-one million, six hundred thirty thousand, six hundred seventy-three".