13994533873 has 2 divisors, whose sum is σ = 13994533874. Its totient is φ = 13994533872.

The previous prime is 13994533859. The next prime is 13994533951. The reversal of 13994533873 is 37833549931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13917392784 + 77141089 = 117972^2 + 8783^2 .

It is a cyclic number.

It is not a de Polignac number, because 13994533873 - 2¹⁷ = 13994402801 is a prime.

It is not a weakly prime, because it can be changed into another prime (13994533843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6997266936 + 6997266937.

It is an arithmetic number, because the mean of its divisors is an integer number (6997266937).

Almost surely, 2^13994533873 is an apocalyptic number.

It is an amenable number.

13994533873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13994533873 is an equidigital number, since it uses as much as digits as its factorization.

13994533873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 55.

The spelling of 13994533873 in words is "thirteen billion, nine hundred ninety-four million, five hundred thirty-three thousand, eight hundred seventy-three".