1881941316243 has 8 divisors (see below), whose sum is σ = 2509532666256. Its totient is φ = 1254488755200.

The previous prime is 1881941316223. The next prime is 1881941316251. The reversal of 1881941316243 is 3426131491881.

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

It is not a de Polignac number, because 1881941316243 - 2⁶ = 1881941316179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1881941316223) 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, 34665598 + ... + 34719843.

It is an arithmetic number, because the mean of its divisors is an integer number (313691583282).

Almost surely, 2^{1881941316243} is an apocalyptic number.

1881941316243 is a deficient number, since it is larger than the sum of its proper divisors (627591350013).

1881941316243 is an equidigital number, since it uses as much as digits as its factorization.

1881941316243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69394485.

The product of its digits is 995328, while the sum is 51.

The spelling of 1881941316243 in words is "one trillion, eight hundred eighty-one billion, nine hundred forty-one million, three hundred sixteen thousand, two hundred forty-three".