8242442137 has 2 divisors, whose sum is σ = 8242442138. Its totient is φ = 8242442136.

The previous prime is 8242442119. The next prime is 8242442141. The reversal of 8242442137 is 7312442428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7387230601 + 855211536 = 85949^2 + 29244^2 .

It is a cyclic number.

It is not a de Polignac number, because 8242442137 - 2⁷ = 8242442009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8242442096 and 8242442105.

It is not a weakly prime, because it can be changed into another prime (8242442167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4121221068 + 4121221069.

It is an arithmetic number, because the mean of its divisors is an integer number (4121221069).

Almost surely, 2^8242442137 is an apocalyptic number.

It is an amenable number.

8242442137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8242442137 is an equidigital number, since it uses as much as digits as its factorization.

8242442137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 37.

The square root of 8242442137 is about 90787.8964234771. The cubic root of 8242442137 is about 2020.0027886933.

The spelling of 8242442137 in words is "eight billion, two hundred forty-two million, four hundred forty-two thousand, one hundred thirty-seven".