1368032569 has 2 divisors, whose sum is σ = 1368032570. Its totient is φ = 1368032568.

The previous prime is 1368032563. The next prime is 1368032581. The reversal of 1368032569 is 9652308631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733597225 + 634435344 = 27085^2 + 25188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368032569 - 2⁵ = 1368032537 is a prime.

It is a super-2 number, since 2×1368032569² = 3743026219689479522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1368032563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684016284 + 684016285.

It is an arithmetic number, because the mean of its divisors is an integer number (684016285).

Almost surely, 2^1368032569 is an apocalyptic number.

It is an amenable number.

1368032569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368032569 is an equidigital number, since it uses as much as digits as its factorization.

1368032569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 1368032569 is about 36986.9242976488. The cubic root of 1368032569 is about 1110.1086301715.

The spelling of 1368032569 in words is "one billion, three hundred sixty-eight million, thirty-two thousand, five hundred sixty-nine".