13984438049556 has 48 divisors (see below), whose sum is σ = 35141720275200. Its totient is φ = 4302740241792.

The previous prime is 13984438049531. The next prime is 13984438049557. The reversal of 13984438049556 is 65594083448931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13984438049557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437990 + ... + 5823458.

It is an arithmetic number, because the mean of its divisors is an integer number (732119172400).

Almost surely, 2^{13984438049556} is an apocalyptic number.

It is an amenable number.

13984438049556 is an abundant number, since it is smaller than the sum of its proper divisors (21157282225644).

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

13984438049556 is a wasteful number, since it uses less digits than its factorization.

13984438049556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411968 (or 3411966 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 69.

The spelling of 13984438049556 in words is "thirteen trillion, nine hundred eighty-four billion, four hundred thirty-eight million, forty-nine thousand, five hundred fifty-six".