2183844343448 has 8 divisors (see below), whose sum is σ = 4094708143980. Its totient is φ = 1091922171720.

The previous prime is 2183844343427. The next prime is 2183844343451. The reversal of 2183844343448 is 8443434483812.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2183844343448² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2183844343393 and 2183844343402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136490271458 + ... + 136490271473.

Almost surely, 2^{2183844343448} is an apocalyptic number.

It is an amenable number.

2183844343448 is a deficient number, since it is larger than the sum of its proper divisors (1910863800532).

2183844343448 is a wasteful number, since it uses less digits than its factorization.

2183844343448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272980542937 (or 272980542933 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 56.

The spelling of 2183844343448 in words is "two trillion, one hundred eighty-three billion, eight hundred forty-four million, three hundred forty-three thousand, four hundred forty-eight".