1368826819 has 2 divisors, whose sum is σ = 1368826820. Its totient is φ = 1368826818.

The previous prime is 1368826751. The next prime is 1368826871. The reversal of 1368826819 is 9186288631.

It is an a-pointer prime, because the next prime (1368826871) can be obtained adding 1368826819 to its sum of digits (52).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1368826819 - 2⁹ = 1368826307 is a prime.

It is a super-3 number, since 3×1368826819³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1368826889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684413409 + 684413410.

It is an arithmetic number, because the mean of its divisors is an integer number (684413410).

Almost surely, 2^1368826819 is an apocalyptic number.

1368826819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368826819 is an equidigital number, since it uses as much as digits as its factorization.

1368826819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 52.

The square root of 1368826819 is about 36997.6596421990. The cubic root of 1368826819 is about 1110.3234235962.

The spelling of 1368826819 in words is "one billion, three hundred sixty-eight million, eight hundred twenty-six thousand, eight hundred nineteen".