2130285442 has 4 divisors (see below), whose sum is σ = 3195428166. Its totient is φ = 1065142720.

The previous prime is 2130285407. The next prime is 2130285463. The reversal of 2130285442 is 2445820312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1077218041 + 1053067401 = 32821^2 + 32451^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532571359 + ... + 532571362.

Almost surely, 2^2130285442 is an apocalyptic number.

2130285442 is a deficient number, since it is larger than the sum of its proper divisors (1065142724).

2130285442 is a wasteful number, since it uses less digits than its factorization.

2130285442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065142723.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 2130285442 is about 46155.0153504470. The cubic root of 2130285442 is about 1286.7058233793.

The spelling of 2130285442 in words is "two billion, one hundred thirty million, two hundred eighty-five thousand, four hundred forty-two".