2128369642 has 8 divisors (see below), whose sum is σ = 3648633696. Its totient is φ = 912158412.

The previous prime is 2128369603. The next prime is 2128369651. The reversal of 2128369642 is 2469638212.

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, 76013188 + ... + 76013215.

It is an arithmetic number, because the mean of its divisors is an integer number (456079212).

Almost surely, 2^2128369642 is an apocalyptic number.

2128369642 is a deficient number, since it is larger than the sum of its proper divisors (1520264054).

2128369642 is a wasteful number, since it uses less digits than its factorization.

2128369642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152026412.

The product of its digits is 248832, while the sum is 43.

The square root of 2128369642 is about 46134.2567080039. The cubic root of 2128369642 is about 1286.3199892721.

The spelling of 2128369642 in words is "two billion, one hundred twenty-eight million, three hundred sixty-nine thousand, six hundred forty-two".