1943112203842 has 16 divisors (see below), whose sum is σ = 3018455121600. Its totient is φ = 937033408080.

The previous prime is 1943112203827. The next prime is 1943112203843. The reversal of 1943112203842 is 2483022113491.

It is a junction number, because it is equal to n+sod(n) for n = 1943112203795 and 1943112203804.

It is not an unprimeable number, because it can be changed into a prime (1943112203843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18174084 + ... + 18280687.

It is an arithmetic number, because the mean of its divisors is an integer number (188653445100).

Almost surely, 2^{1943112203842} is an apocalyptic number.

1943112203842 is a deficient number, since it is larger than the sum of its proper divisors (1075342917758).

1943112203842 is a wasteful number, since it uses less digits than its factorization.

1943112203842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36455721.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1943112203842 in words is "one trillion, nine hundred forty-three billion, one hundred twelve million, two hundred three thousand, eight hundred forty-two".