1368650519 has 2 divisors, whose sum is σ = 1368650520. Its totient is φ = 1368650518.

The previous prime is 1368650497. The next prime is 1368650533. The reversal of 1368650519 is 9150568631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1368650519 is a prime.

It is a super-2 number, since 2×1368650519² = 3746408486317938722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1368650519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368650819) 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, 684325259 + 684325260.

It is an arithmetic number, because the mean of its divisors is an integer number (684325260).

Almost surely, 2^1368650519 is an apocalyptic number.

1368650519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368650519 is an equidigital number, since it uses as much as digits as its factorization.

1368650519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 1368650519 is about 36995.2769823392. The cubic root of 1368650519 is about 1110.2757529873.

The spelling of 1368650519 in words is "one billion, three hundred sixty-eight million, six hundred fifty thousand, five hundred nineteen".