2142334247 has 2 divisors, whose sum is σ = 2142334248. Its totient is φ = 2142334246.

The previous prime is 2142334231. The next prime is 2142334277. The reversal of 2142334247 is 7424332412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142334247 - 2⁴ = 2142334231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142334217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071167123 + 1071167124.

It is an arithmetic number, because the mean of its divisors is an integer number (1071167124).

Almost surely, 2^2142334247 is an apocalyptic number.

2142334247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142334247 is an equidigital number, since it uses as much as digits as its factorization.

2142334247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 32.

The square root of 2142334247 is about 46285.3567232662. The cubic root of 2142334247 is about 1289.1271155593.

Adding to 2142334247 its reverse (7424332412), we get a palindrome (9566666659).

The spelling of 2142334247 in words is "two billion, one hundred forty-two million, three hundred thirty-four thousand, two hundred forty-seven".