1368999743 has 2 divisors, whose sum is σ = 1368999744. Its totient is φ = 1368999742.

The previous prime is 1368999683. The next prime is 1368999787. The reversal of 1368999743 is 3479998631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1368999743 - 2²⁶ = 1301890879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368999043) 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, 684499871 + 684499872.

It is an arithmetic number, because the mean of its divisors is an integer number (684499872).

Almost surely, 2^1368999743 is an apocalyptic number.

1368999743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368999743 is an equidigital number, since it uses as much as digits as its factorization.

1368999743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 59.

The square root of 1368999743 is about 36999.9965270269. The cubic root of 1368999743 is about 1110.3701773760.

The spelling of 1368999743 in words is "one billion, three hundred sixty-eight million, nine hundred ninety-nine thousand, seven hundred forty-three".