1368593819 has 2 divisors, whose sum is σ = 1368593820. Its totient is φ = 1368593818.

The previous prime is 1368593773. The next prime is 1368593843. The reversal of 1368593819 is 9183958631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1368593819 - 2⁸ = 1368593563 is a prime.

It is a super-2 number, since 2×1368593819² = 3746098082810009522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1368593419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684296909 + 684296910.

It is an arithmetic number, because the mean of its divisors is an integer number (684296910).

Almost surely, 2^1368593819 is an apocalyptic number.

1368593819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368593819 is an equidigital number, since it uses as much as digits as its factorization.

1368593819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 53.

The square root of 1368593819 is about 36994.5106603669. The cubic root of 1368593819 is about 1110.2604207302.

The spelling of 1368593819 in words is "one billion, three hundred sixty-eight million, five hundred ninety-three thousand, eight hundred nineteen".