1836658912139 has 2 divisors, whose sum is σ = 1836658912140. Its totient is φ = 1836658912138.

The previous prime is 1836658912091. The next prime is 1836658912147. The reversal of 1836658912139 is 9312198566381.

It is a strong prime.

It is an emirp because it is prime and its reverse (9312198566381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1836658912139 - 2²⁰ = 1836657863563 is a prime.

It is a super-2 number, since 2×1836658912139² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1836658912159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918329456069 + 918329456070.

It is an arithmetic number, because the mean of its divisors is an integer number (918329456070).

Almost surely, 2^{1836658912139} is an apocalyptic number.

1836658912139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836658912139 is an equidigital number, since it uses as much as digits as its factorization.

1836658912139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 62.

The spelling of 1836658912139 in words is "one trillion, eight hundred thirty-six billion, six hundred fifty-eight million, nine hundred twelve thousand, one hundred thirty-nine".