1836813365 has 16 divisors (see below), whose sum is σ = 2335791168. Its totient is φ = 1381852416.

The previous prime is 1836813361. The next prime is 1836813383. The reversal of 1836813365 is 5633186381.

It is a cyclic number.

It is not a de Polignac number, because 1836813365 - 2² = 1836813361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836813361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100634 + ... + 117476.

It is an arithmetic number, because the mean of its divisors is an integer number (145986948).

Almost surely, 2^1836813365 is an apocalyptic number.

It is an amenable number.

1836813365 is a deficient number, since it is larger than the sum of its proper divisors (498977803).

1836813365 is a wasteful number, since it uses less digits than its factorization.

1836813365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18148.

The product of its digits is 311040, while the sum is 44.

The square root of 1836813365 is about 42858.0606770768. The cubic root of 1836813365 is about 1224.6773249803.

The spelling of 1836813365 in words is "one billion, eight hundred thirty-six million, eight hundred thirteen thousand, three hundred sixty-five".