13348743444 has 36 divisors (see below), whose sum is σ = 34169786560. Its totient is φ = 4393256400.

The previous prime is 13348743439. The next prime is 13348743467. The reversal of 13348743444 is 44434784331.

13348743444 is a `hidden beast` number, since 133 + 4 + 8 + 74 + 3 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×13348743444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13348743444.

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, 2343982 + ... + 2349669.

Almost surely, 2^13348743444 is an apocalyptic number.

It is an amenable number.

13348743444 is an abundant number, since it is smaller than the sum of its proper divisors (20821043116).

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

13348743444 is a wasteful number, since it uses less digits than its factorization.

13348743444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693740 (or 4693735 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The spelling of 13348743444 in words is "thirteen billion, three hundred forty-eight million, seven hundred forty-three thousand, four hundred forty-four".