2142430730 has 32 divisors (see below), whose sum is σ = 4219084800. Its totient is φ = 776819520.

The previous prime is 2142430727. The next prime is 2142430757. The reversal of 2142430730 is 370342412.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142430730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10487 + ... + 66293.

It is an arithmetic number, because the mean of its divisors is an integer number (131846400).

Almost surely, 2^2142430730 is an apocalyptic number.

2142430730 is a deficient number, since it is larger than the sum of its proper divisors (2076654070).

2142430730 is a wasteful number, since it uses less digits than its factorization.

2142430730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56174.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2142430730 is about 46286.3989742127. The cubic root of 2142430730 is about 1289.1464678125.

The spelling of 2142430730 in words is "two billion, one hundred forty-two million, four hundred thirty thousand, seven hundred thirty".