1368492818 has 48 divisors (see below), whose sum is σ = 2599360512. Its totient is φ = 528897600.

The previous prime is 1368492817. The next prime is 1368492823. The reversal of 1368492818 is 8182948631.

It is a super-2 number, since 2×1368492818² = 3745545185835162248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1368492817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211958 + ... + 218318.

It is an arithmetic number, because the mean of its divisors is an integer number (54153344).

Almost surely, 2^1368492818 is an apocalyptic number.

1368492818 is a deficient number, since it is larger than the sum of its proper divisors (1230867694).

1368492818 is a wasteful number, since it uses less digits than its factorization.

1368492818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519 (or 6508 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 1368492818 is about 36993.1455542780. The cubic root of 1368492818 is about 1110.2331079829.

The spelling of 1368492818 in words is "one billion, three hundred sixty-eight million, four hundred ninety-two thousand, eight hundred eighteen".