13998453978582 has 32 divisors (see below), whose sum is σ = 31545811791360. Its totient is φ = 4600430883720.

The previous prime is 13998453978571. The next prime is 13998453978583. The reversal of 13998453978582 is 28587935489931.

13998453978582 is a `hidden beast` number, since 1 + 3 + 9 + 9 + 8 + 4 + 539 + 78 + 5 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13998453978583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825563978 + ... + 1825571645.

It is an arithmetic number, because the mean of its divisors is an integer number (985806618480).

Almost surely, 2^{13998453978582} is an apocalyptic number.

13998453978582 is an abundant number, since it is smaller than the sum of its proper divisors (17547357812778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13998453978582 is a wasteful number, since it uses less digits than its factorization.

13998453978582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651135705 (or 3651135699 counting only the distinct ones).

The product of its digits is 4702924800, while the sum is 81.

The spelling of 13998453978582 in words is "thirteen trillion, nine hundred ninety-eight billion, four hundred fifty-three million, nine hundred seventy-eight thousand, five hundred eighty-two".