2189150738 has 8 divisors (see below), whose sum is σ = 3284591232. Its totient is φ = 1094286996.

The previous prime is 2189150723. The next prime is 2189150749. The reversal of 2189150738 is 8370519812.

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, 134570 + ... + 149957.

It is an arithmetic number, because the mean of its divisors is an integer number (410573904).

Almost surely, 2^2189150738 is an apocalyptic number.

2189150738 is a deficient number, since it is larger than the sum of its proper divisors (1095440494).

2189150738 is a wasteful number, since it uses less digits than its factorization.

2189150738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288376.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 2189150738 is about 46788.3611382147. The cubic root of 2189150738 is about 1298.4499746880.

The spelling of 2189150738 in words is "two billion, one hundred eighty-nine million, one hundred fifty thousand, seven hundred thirty-eight".