13998431201 has 2 divisors, whose sum is σ = 13998431202. Its totient is φ = 13998431200.

The previous prime is 13998431177. The next prime is 13998431303. The reversal of 13998431201 is 10213489931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7992181201 + 6006250000 = 89399^2 + 77500^2 .

It is an emirp because it is prime and its reverse (10213489931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13998431201 is a prime.

It is not a weakly prime, because it can be changed into another prime (13998431101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6999215600 + 6999215601.

It is an arithmetic number, because the mean of its divisors is an integer number (6999215601).

Almost surely, 2^13998431201 is an apocalyptic number.

It is an amenable number.

13998431201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13998431201 is an equidigital number, since it uses as much as digits as its factorization.

13998431201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 13998431201 in words is "thirteen billion, nine hundred ninety-eight million, four hundred thirty-one thousand, two hundred one".