2851770142 has 16 divisors (see below), whose sum is σ = 4607603280. Its totient is φ = 1315945152.

The previous prime is 2851770139. The next prime is 2851770143. The reversal of 2851770142 is 2410771582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851770143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216234 + ... + 229042.

It is an arithmetic number, because the mean of its divisors is an integer number (287975205).

Almost surely, 2^2851770142 is an apocalyptic number.

2851770142 is a deficient number, since it is larger than the sum of its proper divisors (1755833138).

2851770142 is a wasteful number, since it uses less digits than its factorization.

2851770142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21387.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2851770142 is about 53401.9675854739. The cubic root of 2851770142 is about 1418.0934112754.

The spelling of 2851770142 in words is "two billion, eight hundred fifty-one million, seven hundred seventy thousand, one hundred forty-two".