1368991468 has 24 divisors (see below), whose sum is σ = 2581253360. Its totient is φ = 631540800.

The previous prime is 1368991451. The next prime is 1368991469. The reversal of 1368991468 is 8641998631.

It is not an unprimeable number, because it can be changed into a prime (1368991469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133318 + ... + 143218.

Almost surely, 2^1368991468 is an apocalyptic number.

It is an amenable number.

1368991468 is a deficient number, since it is larger than the sum of its proper divisors (1212261892).

1368991468 is a wasteful number, since it uses less digits than its factorization.

1368991468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12577 (or 12575 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 55.

The square root of 1368991468 is about 36999.8847025231. The cubic root of 1368991468 is about 1110.3679401388.

The spelling of 1368991468 in words is "one billion, three hundred sixty-eight million, nine hundred ninety-one thousand, four hundred sixty-eight".