1923868333894 has 8 divisors (see below), whose sum is σ = 3107787308640. Its totient is φ = 887939231016.

The previous prime is 1923868333889. The next prime is 1923868333927. The reversal of 1923868333894 is 4983338683291.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36997467934 + ... + 36997467985.

It is an arithmetic number, because the mean of its divisors is an integer number (388473413580).

Almost surely, 2^{1923868333894} is an apocalyptic number.

1923868333894 is a deficient number, since it is larger than the sum of its proper divisors (1183918974746).

1923868333894 is a wasteful number, since it uses less digits than its factorization.

1923868333894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73994935934.

The product of its digits is 161243136, while the sum is 67.

The spelling of 1923868333894 in words is "one trillion, nine hundred twenty-three billion, eight hundred sixty-eight million, three hundred thirty-three thousand, eight hundred ninety-four".