1368089497 has 2 divisors, whose sum is σ = 1368089498. Its totient is φ = 1368089496.

The previous prime is 1368089431. The next prime is 1368089507. The reversal of 1368089497 is 7949808631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130035456 + 238054041 = 33616^2 + 15429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1368089497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1368089407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684044748 + 684044749.

It is an arithmetic number, because the mean of its divisors is an integer number (684044749).

Almost surely, 2^1368089497 is an apocalyptic number.

It is an amenable number.

1368089497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368089497 is an equidigital number, since it uses as much as digits as its factorization.

1368089497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 1368089497 is about 36987.6938589039. The cubic root of 1368089497 is about 1110.1240282912.

The spelling of 1368089497 in words is "one billion, three hundred sixty-eight million, eighty-nine thousand, four hundred ninety-seven".