1943112203826 has 8 divisors (see below), whose sum is σ = 3886224407664. Its totient is φ = 647704067940.

The previous prime is 1943112203789. The next prime is 1943112203827. The reversal of 1943112203826 is 6283022113491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1943112203826 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1943112203827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161926016980 + ... + 161926016991.

It is an arithmetic number, because the mean of its divisors is an integer number (485778050958).

Almost surely, 2^{1943112203826} is an apocalyptic number.

1943112203826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1943112203826 is a wasteful number, since it uses less digits than its factorization.

1943112203826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323852033976.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 1943112203826 in words is "one trillion, nine hundred forty-three billion, one hundred twelve million, two hundred three thousand, eight hundred twenty-six".