1836364727388 has 12 divisors (see below), whose sum is σ = 4284851030600. Its totient is φ = 612121575792.

The previous prime is 1836364727369. The next prime is 1836364727419. The reversal of 1836364727388 is 8837274636381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76515196963 + ... + 76515196986.

Almost surely, 2^{1836364727388} is an apocalyptic number.

It is an amenable number.

1836364727388 is an abundant number, since it is smaller than the sum of its proper divisors (2448486303212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1836364727388 is a wasteful number, since it uses less digits than its factorization.

1836364727388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153030393956 (or 153030393954 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 66.

The spelling of 1836364727388 in words is "one trillion, eight hundred thirty-six billion, three hundred sixty-four million, seven hundred twenty-seven thousand, three hundred eighty-eight".