4189838942 has 16 divisors (see below), whose sum is σ = 6417384192. Its totient is φ = 2051130240.

The previous prime is 4189838929. The next prime is 4189838951. The reversal of 4189838942 is 2498389814.

It is a congruent number.

It is an unprimeable number.

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, 84734 + ... + 124737.

It is an arithmetic number, because the mean of its divisors is an integer number (401086512).

Almost surely, 2^4189838942 is an apocalyptic number.

4189838942 is a deficient number, since it is larger than the sum of its proper divisors (2227545250).

4189838942 is a wasteful number, since it uses less digits than its factorization.

4189838942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209683.

The product of its digits is 3981312, while the sum is 56.

The square root of 4189838942 is about 64728.9652474068. The cubic root of 4189838942 is about 1612.1264729587.

The spelling of 4189838942 in words is "four billion, one hundred eighty-nine million, eight hundred thirty-eight thousand, nine hundred forty-two".