1368736847 has 2 divisors, whose sum is σ = 1368736848. Its totient is φ = 1368736846.

The previous prime is 1368736841. The next prime is 1368736879. The reversal of 1368736847 is 7486378631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1368736847 - 2⁶ = 1368736783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368736841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684368423 + 684368424.

It is an arithmetic number, because the mean of its divisors is an integer number (684368424).

Almost surely, 2^1368736847 is an apocalyptic number.

1368736847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368736847 is an equidigital number, since it uses as much as digits as its factorization.

1368736847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 53.

The square root of 1368736847 is about 36996.4437074700. The cubic root of 1368736847 is about 1110.2990961438.

The spelling of 1368736847 in words is "one billion, three hundred sixty-eight million, seven hundred thirty-six thousand, eight hundred forty-seven".