1943474834 has 8 divisors (see below), whose sum is σ = 3331671168. Its totient is φ = 832917780.

The previous prime is 1943474807. The next prime is 1943474843. The reversal of 1943474834 is 4384743491.

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

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, 69409802 + ... + 69409829.

It is an arithmetic number, because the mean of its divisors is an integer number (416458896).

Almost surely, 2^1943474834 is an apocalyptic number.

1943474834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1943474834 is a deficient number, since it is larger than the sum of its proper divisors (1388196334).

1943474834 is a wasteful number, since it uses less digits than its factorization.

1943474834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138819640.

The product of its digits is 1161216, while the sum is 47.

The square root of 1943474834 is about 44084.8594644465. The cubic root of 1943474834 is about 1247.9378979788.

The spelling of 1943474834 in words is "one billion, nine hundred forty-three million, four hundred seventy-four thousand, eight hundred thirty-four".