2142742870 has 8 divisors (see below), whose sum is σ = 3856937184. Its totient is φ = 857097144.

The previous prime is 2142742817. The next prime is 2142742871. The reversal of 2142742870 is 782472412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142742871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107137134 + ... + 107137153.

It is an arithmetic number, because the mean of its divisors is an integer number (482117148).

Almost surely, 2^2142742870 is an apocalyptic number.

2142742870 is a deficient number, since it is larger than the sum of its proper divisors (1714194314).

2142742870 is a wasteful number, since it uses less digits than its factorization.

2142742870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214274294.

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 2142742870 is about 46289.7706842451. The cubic root of 2142742870 is about 1289.2090718806.

The spelling of 2142742870 in words is "two billion, one hundred forty-two million, seven hundred forty-two thousand, eight hundred seventy".