1818364738292 has 24 divisors (see below), whose sum is σ = 3249274767816. Its totient is φ = 890182338048.

The previous prime is 1818364738283. The next prime is 1818364738303. The reversal of 1818364738292 is 2928374638181.

It can be written as a sum of positive squares in 4 ways, for example, as 1049383067236 + 768981671056 = 1024394^2 + 876916^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22687283 + ... + 22767290.

It is an arithmetic number, because the mean of its divisors is an integer number (135386448659).

Almost surely, 2^{1818364738292} is an apocalyptic number.

It is an amenable number.

1818364738292 is a deficient number, since it is larger than the sum of its proper divisors (1430910029524).

1818364738292 is a wasteful number, since it uses less digits than its factorization.

1818364738292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45454787 (or 45454785 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 62.

The spelling of 1818364738292 in words is "one trillion, eight hundred eighteen billion, three hundred sixty-four million, seven hundred thirty-eight thousand, two hundred ninety-two".