1916943042 has 16 divisors (see below), whose sum is σ = 4381584192. Its totient is φ = 547698000.

The previous prime is 1916943029. The next prime is 1916943047. The reversal of 1916943042 is 2403496191.

It is not an unprimeable number, because it can be changed into a prime (1916943047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22820709 + ... + 22820792.

It is an arithmetic number, because the mean of its divisors is an integer number (273849012).

Almost surely, 2^1916943042 is an apocalyptic number.

1916943042 is an abundant number, since it is smaller than the sum of its proper divisors (2464641150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1916943042 is a wasteful number, since it uses less digits than its factorization.

1916943042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45641513.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1916943042 is about 43782.9081035054. The cubic root of 1916943042 is about 1242.2330214866.

The spelling of 1916943042 in words is "one billion, nine hundred sixteen million, nine hundred forty-three thousand, forty-two".