1818182727392 has 24 divisors (see below), whose sum is σ = 3628582142976. Its totient is φ = 896638056192.

The previous prime is 1818182727377. The next prime is 1818182727433. The reversal of 1818182727392 is 2937272818181.

It is a super-2 number, since 2×1818182727392² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389163488 + ... + 389168159.

It is an arithmetic number, because the mean of its divisors is an integer number (151190922624).

Almost surely, 2^{1818182727392} is an apocalyptic number.

It is an amenable number.

1818182727392 is a deficient number, since it is larger than the sum of its proper divisors (1810399415584).

1818182727392 is an equidigital number, since it uses as much as digits as its factorization.

1818182727392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778331730 (or 778331722 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 59.

The spelling of 1818182727392 in words is "one trillion, eight hundred eighteen billion, one hundred eighty-two million, seven hundred twenty-seven thousand, three hundred ninety-two".