13549812982 has 4 divisors (see below), whose sum is σ = 20324719476. Its totient is φ = 6774906490.

The previous prime is 13549812979. The next prime is 13549812989. The reversal of 13549812982 is 28921894531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13549812989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387453244 + ... + 3387453247.

It is an arithmetic number, because the mean of its divisors is an integer number (5081179869).

Almost surely, 2^13549812982 is an apocalyptic number.

13549812982 is a deficient number, since it is larger than the sum of its proper divisors (6774906494).

13549812982 is an equidigital number, since it uses as much as digits as its factorization.

13549812982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774906493.

The product of its digits is 1244160, while the sum is 52.

The spelling of 13549812982 in words is "thirteen billion, five hundred forty-nine million, eight hundred twelve thousand, nine hundred eighty-two".