13447294416 has 60 divisors (see below), whose sum is σ = 37930127872. Its totient is φ = 4447130688.

The previous prime is 13447294391. The next prime is 13447294451. The reversal of 13447294416 is 61449274431.

13447294416 is a `hidden beast` number, since 1 + 344 + 7 + 294 + 4 + 16 = 666.

It is a super-2 number, since 2×13447294416² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349366 + ... + 385941.

Almost surely, 2^13447294416 is an apocalyptic number.

13447294416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13447294416 is an abundant number, since it is smaller than the sum of its proper divisors (24482833456).

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

13447294416 is a wasteful number, since it uses less digits than its factorization.

13447294416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735448 (or 735439 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 13447294416 in words is "thirteen billion, four hundred forty-seven million, two hundred ninety-four thousand, four hundred sixteen".