2142334217 has 2 divisors, whose sum is σ = 2142334218.
Its totient is φ = 2142334216.
The previous prime is 2142334199. The next prime is 2142334223. The reversal of 2142334217 is 7124332412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1886686096 + 255648121 = 43436^2 + 15989^2
It is a cyclic number.
It is not a de Polignac number, because 2142334217 - 26 = 2142334153 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2142334217.
It is not a weakly prime, because it can be changed into another prime (2142334247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071167108 + 1071167109.
It is an arithmetic number, because the mean of its divisors is an integer number (1071167109).
Almost surely, 22142334217 is an apocalyptic number.
It is an amenable number.
2142334217 is a deficient number, since it is larger than the sum of its proper divisors (1).
2142334217 is an equidigital number, since it uses as much as digits as its factorization.
2142334217 is an evil number, because the sum of its binary digits is even.
The product of its digits is 8064, while the sum is 29.
The square root of 2142334217 is about 46285.3563991896.
The cubic root of 2142334217 is about 1289.1271095419.
Adding to 2142334217 its reverse (7124332412), we get a palindrome (9266666629).
The spelling of 2142334217 in words is "two billion, one hundred forty-two million, three hundred thirty-four thousand, two hundred seventeen".