13998431290 has 8 divisors (see below), whose sum is σ = 25197176340. Its totient is φ = 5599372512.

The previous prime is 13998431201. The next prime is 13998431303. The reversal of 13998431290 is 9213489931.

13998431290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13974313369 + 24117921 = 118213^2 + 4911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699921555 + ... + 699921574.

Almost surely, 2^13998431290 is an apocalyptic number.

13998431290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13998431290 is a deficient number, since it is larger than the sum of its proper divisors (11198745050).

13998431290 is a wasteful number, since it uses less digits than its factorization.

13998431290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399843136.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 13998431290 in words is "thirteen billion, nine hundred ninety-eight million, four hundred thirty-one thousand, two hundred ninety".