3189689042 has 8 divisors (see below), whose sum is σ = 4784773296. Its totient is φ = 1594764612.

The previous prime is 3189689029. The next prime is 3189689051. The reversal of 3189689042 is 2409869813.

It is a happy number.

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, 56813 + ... + 98015.

It is an arithmetic number, because the mean of its divisors is an integer number (598096662).

Almost surely, 2^3189689042 is an apocalyptic number.

3189689042 is a deficient number, since it is larger than the sum of its proper divisors (1595084254).

3189689042 is a wasteful number, since it uses less digits than its factorization.

3189689042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79912.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 3189689042 is about 56477.3321076695. The cubic root of 3189689042 is about 1472.0281508602.

The spelling of 3189689042 in words is "three billion, one hundred eighty-nine million, six hundred eighty-nine thousand, forty-two".