2142389587 has 8 divisors (see below), whose sum is σ = 2386747440. Its totient is φ = 1909397280.

The previous prime is 2142389573. The next prime is 2142389591. The reversal of 2142389587 is 7859832412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2142389587 - 2¹⁵ = 2142356819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142389587.

It is not an unprimeable number, because it can be changed into a prime (2142389527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840989 + ... + 2841742.

It is an arithmetic number, because the mean of its divisors is an integer number (298343430).

Almost surely, 2^2142389587 is an apocalyptic number.

2142389587 is a deficient number, since it is larger than the sum of its proper divisors (244357853).

2142389587 is a wasteful number, since it uses less digits than its factorization.

2142389587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682773.

The product of its digits is 967680, while the sum is 49.

The square root of 2142389587 is about 46285.9545326657. The cubic root of 2142389587 is about 1289.1382155515.

The spelling of 2142389587 in words is "two billion, one hundred forty-two million, three hundred eighty-nine thousand, five hundred eighty-seven".