6918162137819 has 2 divisors, whose sum is σ = 6918162137820. Its totient is φ = 6918162137818.

The previous prime is 6918162137773. The next prime is 6918162137827. The reversal of 6918162137819 is 9187312618196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6918162137819 - 2²⁴ = 6918145360603 is a prime.

It is a super-3 number, since 3×6918162137819³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6918162131819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459081068909 + 3459081068910.

It is an arithmetic number, because the mean of its divisors is an integer number (3459081068910).

Almost surely, 2^{6918162137819} is an apocalyptic number.

6918162137819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6918162137819 is an equidigital number, since it uses as much as digits as its factorization.

6918162137819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 62.

The spelling of 6918162137819 in words is "six trillion, nine hundred eighteen billion, one hundred sixty-two million, one hundred thirty-seven thousand, eight hundred nineteen".