13481613616 has 10 divisors (see below), whose sum is σ = 26120626412. Its totient is φ = 6740806800.

The previous prime is 13481613539. The next prime is 13481613617. The reversal of 13481613616 is 61631618431.

It is a super-2 number, since 2×13481613616² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13481613617) by changing a digit.

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 as a sum of consecutive naturals, namely, 421300410 + ... + 421300441.

Almost surely, 2^13481613616 is an apocalyptic number.

13481613616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13481613616 is a deficient number, since it is larger than the sum of its proper divisors (12639012796).

13481613616 is an equidigital number, since it uses as much as digits as its factorization.

13481613616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842600859 (or 842600853 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The spelling of 13481613616 in words is "thirteen billion, four hundred eighty-one million, six hundred thirteen thousand, six hundred sixteen".