1934921447423 has 8 divisors (see below), whose sum is σ = 2036840419200. Its totient is φ = 1833010575768.

The previous prime is 1934921447413. The next prime is 1934921447429. The reversal of 1934921447423 is 3247441294391.

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

It is a cyclic number.

It is not a de Polignac number, because 1934921447423 - 2²⁶ = 1934854338559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1934921447429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531613 + ... + 2493126.

It is an arithmetic number, because the mean of its divisors is an integer number (254605052400).

Almost surely, 2^{1934921447423} is an apocalyptic number.

1934921447423 is a deficient number, since it is larger than the sum of its proper divisors (101918971777).

1934921447423 is a wasteful number, since it uses less digits than its factorization.

1934921447423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050061.

The product of its digits is 5225472, while the sum is 53.

The spelling of 1934921447423 in words is "one trillion, nine hundred thirty-four billion, nine hundred twenty-one million, four hundred forty-seven thousand, four hundred twenty-three".