2142299389 has 2 divisors, whose sum is σ = 2142299390. Its totient is φ = 2142299388.

The previous prime is 2142299377. The next prime is 2142299399. The reversal of 2142299389 is 9839922412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140635289 + 1664100 = 46267^2 + 1290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142299389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142299329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071149694 + 1071149695.

It is an arithmetic number, because the mean of its divisors is an integer number (1071149695).

Almost surely, 2^2142299389 is an apocalyptic number.

It is an amenable number.

2142299389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142299389 is an equidigital number, since it uses as much as digits as its factorization.

2142299389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 49.

The square root of 2142299389 is about 46284.9801663563. The cubic root of 2142299389 is about 1289.1201237097.

The spelling of 2142299389 in words is "two billion, one hundred forty-two million, two hundred ninety-nine thousand, three hundred eighty-nine".