1368646414 has 4 divisors (see below), whose sum is σ = 2052969624. Its totient is φ = 684323206.

The previous prime is 1368646393. The next prime is 1368646417. The reversal of 1368646414 is 4146468631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4146468631 = 103 ⋅40256977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368646417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342161602 + ... + 342161605.

It is an arithmetic number, because the mean of its divisors is an integer number (513242406).

Almost surely, 2^1368646414 is an apocalyptic number.

1368646414 is a deficient number, since it is larger than the sum of its proper divisors (684323210).

1368646414 is an equidigital number, since it uses as much as digits as its factorization.

1368646414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684323209.

The product of its digits is 331776, while the sum is 43.

The square root of 1368646414 is about 36995.2215022427. The cubic root of 1368646414 is about 1110.2746429677.

The spelling of 1368646414 in words is "one billion, three hundred sixty-eight million, six hundred forty-six thousand, four hundred fourteen".