1838718713137 has 2 divisors, whose sum is σ = 1838718713138. Its totient is φ = 1838718713136.

The previous prime is 1838718713129. The next prime is 1838718713179. The reversal of 1838718713137 is 7313178178381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1763480417521 + 75238295616 = 1327961^2 + 274296^2 .

It is a cyclic number.

It is not a de Polignac number, because 1838718713137 - 2³ = 1838718713129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1838718713197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919359356568 + 919359356569.

It is an arithmetic number, because the mean of its divisors is an integer number (919359356569).

Almost surely, 2^{1838718713137} is an apocalyptic number.

It is an amenable number.

1838718713137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838718713137 is an equidigital number, since it uses as much as digits as its factorization.

1838718713137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 58.

The spelling of 1838718713137 in words is "one trillion, eight hundred thirty-eight billion, seven hundred eighteen million, seven hundred thirteen thousand, one hundred thirty-seven".