1368838619 has 2 divisors, whose sum is σ = 1368838620. Its totient is φ = 1368838618.

The previous prime is 1368838591. The next prime is 1368838621. The reversal of 1368838619 is 9168388631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1368838619 - 2²⁰ = 1367790043 is a prime.

It is a super-2 number, since 2×1368838619² = 3747438329731654322, which contains 22 as substring.

Together with 1368838621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1368838699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684419309 + 684419310.

It is an arithmetic number, because the mean of its divisors is an integer number (684419310).

Almost surely, 2^1368838619 is an apocalyptic number.

1368838619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368838619 is an equidigital number, since it uses as much as digits as its factorization.

1368838619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 1368838619 is about 36997.8191114017. The cubic root of 1368838619 is about 1110.3266141091.

The spelling of 1368838619 in words is "one billion, three hundred sixty-eight million, eight hundred thirty-eight thousand, six hundred nineteen".