1943112203028 has 36 divisors (see below), whose sum is σ = 4912885641300. Its totient is φ = 647555083776.

The previous prime is 1943112203027. The next prime is 1943112203063. The reversal of 1943112203028 is 8203022113491.

1943112203028 is a `hidden beast` number, since 1 + 9 + 431 + 12 + 203 + 0 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 245125990404 + 1697986212624 = 495102^2 + 1303068^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1943112202983 and 1943112203001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1943112203027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6048925 + ... + 6362052.

Almost surely, 2^{1943112203028} is an apocalyptic number.

1943112203028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1943112203028 is an abundant number, since it is smaller than the sum of its proper divisors (2969773438272).

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

1943112203028 is a wasteful number, since it uses less digits than its factorization.

1943112203028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12415336 (or 12415331 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 1943112203028 in words is "one trillion, nine hundred forty-three billion, one hundred twelve million, two hundred three thousand, twenty-eight".