1836836685377 has 4 divisors (see below), whose sum is σ = 1837005167040. Its totient is φ = 1836668203716.

The previous prime is 1836836685373. The next prime is 1836836685389. The reversal of 1836836685377 is 7735866386381.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1836836685377 - 2² = 1836836685373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1836836685377.

It is not an unprimeable number, because it can be changed into a prime (1836836685373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84224477 + ... + 84246282.

It is an arithmetic number, because the mean of its divisors is an integer number (459251291760).

Almost surely, 2^{1836836685377} is an apocalyptic number.

It is an amenable number.

1836836685377 is a deficient number, since it is larger than the sum of its proper divisors (168481663).

1836836685377 is a wasteful number, since it uses less digits than its factorization.

1836836685377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168481662.

The product of its digits is 731566080, while the sum is 71.

The spelling of 1836836685377 in words is "one trillion, eight hundred thirty-six billion, eight hundred thirty-six million, six hundred eighty-five thousand, three hundred seventy-seven".