1873730040243 has 8 divisors (see below), whose sum is σ = 2565828523728. Its totient is φ = 1215392458464.

The previous prime is 1873730040239. The next prime is 1873730040251. The reversal of 1873730040243 is 3420400373781.

It is a happy number.

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

It is not a de Polignac number, because 1873730040243 - 2² = 1873730040239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1873730040195 and 1873730040204.

It is not an unprimeable number, because it can be changed into a prime (1873730040223) 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 7 ways as a sum of consecutive naturals, for example, 8440225296 + ... + 8440225517.

It is an arithmetic number, because the mean of its divisors is an integer number (320728565466).

Almost surely, 2^{1873730040243} is an apocalyptic number.

1873730040243 is a deficient number, since it is larger than the sum of its proper divisors (692098483485).

1873730040243 is a wasteful number, since it uses less digits than its factorization.

1873730040243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16880450853.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 1873730040243 in words is "one trillion, eight hundred seventy-three billion, seven hundred thirty million, forty thousand, two hundred forty-three".