13450193856 has 168 divisors, whose sum is σ = 43615563264. Its totient is φ = 4075764480.

The previous prime is 13450193843. The next prime is 13450193857. The reversal of 13450193856 is 65839105431.

13450193856 is a `hidden beast` number, since 1 + 3 + 4 + 501 + 93 + 8 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450193857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131761 + ... + 210383.

It is an arithmetic number, because the mean of its divisors is an integer number (259616448).

Almost surely, 2^13450193856 is an apocalyptic number.

13450193856 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 13450193856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21807781632).

13450193856 is an abundant number, since it is smaller than the sum of its proper divisors (30165369408).

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

13450193856 is an equidigital number, since it uses as much as digits as its factorization.

13450193856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78661 (or 78639 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 13450193856 in words is "thirteen billion, four hundred fifty million, one hundred ninety-three thousand, eight hundred fifty-six".