1943112203827 has 2 divisors, whose sum is σ = 1943112203828. Its totient is φ = 1943112203826.

The previous prime is 1943112203789. The next prime is 1943112203843. The reversal of 1943112203827 is 7283022113491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1943112203827 is a prime.

It is a super-2 number, since 2×1943112203827² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1943112203027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971556101913 + 971556101914.

It is an arithmetic number, because the mean of its divisors is an integer number (971556101914).

Almost surely, 2^{1943112203827} is an apocalyptic number.

1943112203827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1943112203827 is an equidigital number, since it uses as much as digits as its factorization.

1943112203827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 1943112203827 in words is "one trillion, nine hundred forty-three billion, one hundred twelve million, two hundred three thousand, eight hundred twenty-seven".