2142879998 has 8 divisors (see below), whose sum is σ = 3673508592. Its totient is φ = 918377136.

The previous prime is 2142879979. The next prime is 2142880007. The reversal of 2142879998 is 8999782412.

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

It is a congruent number.

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, 76531415 + ... + 76531442.

It is an arithmetic number, because the mean of its divisors is an integer number (459188574).

Almost surely, 2^2142879998 is an apocalyptic number.

2142879998 is a deficient number, since it is larger than the sum of its proper divisors (1530628594).

2142879998 is a wasteful number, since it uses less digits than its factorization.

2142879998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153062866.

The product of its digits is 5225472, while the sum is 59.

The square root of 2142879998 is about 46291.2518517268. The cubic root of 2142879998 is about 1289.2365729079.

The spelling of 2142879998 in words is "two billion, one hundred forty-two million, eight hundred seventy-nine thousand, nine hundred ninety-eight".