13494481551936 has 672 divisors, whose sum is σ = 49593018009600. Its totient is φ = 3406878351360.

The previous prime is 13494481551923. The next prime is 13494481551961. The reversal of 13494481551936 is 63915518449431.

13494481551936 is a `hidden beast` number, since 1 + 3 + 4 + 9 + 4 + 4 + 81 + 5 + 519 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 232863381 + ... + 232921323.

Almost surely, 2^{13494481551936} is an apocalyptic number.

13494481551936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13494481551936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24796509004800).

13494481551936 is an abundant number, since it is smaller than the sum of its proper divisors (36098536457664).

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

13494481551936 is a wasteful number, since it uses less digits than its factorization.

13494481551936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58127 (or 58114 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 13494481551936 in words is "thirteen trillion, four hundred ninety-four billion, four hundred eighty-one million, five hundred fifty-one thousand, nine hundred thirty-six".