2142850873 has 2 divisors, whose sum is σ = 2142850874. Its totient is φ = 2142850872.

The previous prime is 2142850859. The next prime is 2142850877. The reversal of 2142850873 is 3780582412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1988892409 + 153958464 = 44597^2 + 12408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142850873 - 2⁵ = 2142850841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142850877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071425436 + 1071425437.

It is an arithmetic number, because the mean of its divisors is an integer number (1071425437).

Almost surely, 2^2142850873 is an apocalyptic number.

It is an amenable number.

2142850873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142850873 is an equidigital number, since it uses as much as digits as its factorization.

2142850873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 2142850873 is about 46290.9372663808. The cubic root of 2142850873 is about 1289.2307319858.

The spelling of 2142850873 in words is "two billion, one hundred forty-two million, eight hundred fifty thousand, eight hundred seventy-three".