1369312181818 has 32 divisors (see below), whose sum is σ = 2429117683200. Its totient is φ = 566429748864.

The previous prime is 1369312181791. The next prime is 1369312181821. The reversal of 1369312181818 is 8181812139631.

It is a super-3 number, since 3×1369312181818³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725646 + ... + 1806982.

It is an arithmetic number, because the mean of its divisors is an integer number (75909927600).

Almost surely, 2^{1369312181818} is an apocalyptic number.

1369312181818 is a deficient number, since it is larger than the sum of its proper divisors (1059805501382).

1369312181818 is a wasteful number, since it uses less digits than its factorization.

1369312181818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084494.

The product of its digits is 497664, while the sum is 52.

The spelling of 1369312181818 in words is "one trillion, three hundred sixty-nine billion, three hundred twelve million, one hundred eighty-one thousand, eight hundred eighteen".