13546621984 has 48 divisors (see below), whose sum is σ = 31530945600. Its totient is φ = 5605496064.

The previous prime is 13546621951. The next prime is 13546622021. The reversal of 13546621984 is 48912664531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036194 + ... + 1049185.

It is an arithmetic number, because the mean of its divisors is an integer number (656894700).

Almost surely, 2^13546621984 is an apocalyptic number.

13546621984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13546621984 is an abundant number, since it is smaller than the sum of its proper divisors (17984323616).

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

13546621984 is a wasteful number, since it uses less digits than its factorization.

13546621984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085425 (or 2085417 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The spelling of 13546621984 in words is "thirteen billion, five hundred forty-six million, six hundred twenty-one thousand, nine hundred eighty-four".