6818282337157 has 2 divisors, whose sum is σ = 6818282337158. Its totient is φ = 6818282337156.

The previous prime is 6818282337143. The next prime is 6818282337161. The reversal of 6818282337157 is 7517332828186.

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., 5481821486241 + 1336460850916 = 2341329^2 + 1156054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6818282337157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6818282337095 and 6818282337104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6818282337107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409141168578 + 3409141168579.

It is an arithmetic number, because the mean of its divisors is an integer number (3409141168579).

Almost surely, 2^{6818282337157} is an apocalyptic number.

It is an amenable number.

6818282337157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6818282337157 is an equidigital number, since it uses as much as digits as its factorization.

6818282337157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 61.

The spelling of 6818282337157 in words is "six trillion, eight hundred eighteen billion, two hundred eighty-two million, three hundred thirty-seven thousand, one hundred fifty-seven".