1368065679 has 4 divisors (see below), whose sum is σ = 1824087576. Its totient is φ = 912043784.

The previous prime is 1368065669. The next prime is 1368065687. The reversal of 1368065679 is 9765608631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1368065679 - 2⁴ = 1368065663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368065669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228010944 + ... + 228010949.

It is an arithmetic number, because the mean of its divisors is an integer number (456021894).

Almost surely, 2^1368065679 is an apocalyptic number.

1368065679 is a deficient number, since it is larger than the sum of its proper divisors (456021897).

1368065679 is an equidigital number, since it uses as much as digits as its factorization.

1368065679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456021896.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 1368065679 is about 36987.3718855503. The cubic root of 1368065679 is about 1110.1175859525.

The spelling of 1368065679 in words is "one billion, three hundred sixty-eight million, sixty-five thousand, six hundred seventy-nine".