13988373571 has 2 divisors, whose sum is σ = 13988373572. Its totient is φ = 13988373570.

The previous prime is 13988373547. The next prime is 13988373631. The reversal of 13988373571 is 17537388931.

It is a weak prime.

It is an emirp because it is prime and its reverse (17537388931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13988373571 - 2³³ = 5398438979 is a prime.

It is not a weakly prime, because it can be changed into another prime (13988373521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6994186785 + 6994186786.

It is an arithmetic number, because the mean of its divisors is an integer number (6994186786).

Almost surely, 2^13988373571 is an apocalyptic number.

13988373571 is a deficient number, since it is larger than the sum of its proper divisors (1).

13988373571 is an equidigital number, since it uses as much as digits as its factorization.

13988373571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The spelling of 13988373571 in words is "thirteen billion, nine hundred eighty-eight million, three hundred seventy-three thousand, five hundred seventy-one".