1368025969 has 2 divisors, whose sum is σ = 1368025970. Its totient is φ = 1368025968.

The previous prime is 1368025963. The next prime is 1368025987. The reversal of 1368025969 is 9695208631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1345935969 + 22090000 = 36687^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368025969 - 2¹⁵ = 1367993201 is a prime.

It is a super-2 number, since 2×1368025969² = 3742990103716777922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1368025963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684012984 + 684012985.

It is an arithmetic number, because the mean of its divisors is an integer number (684012985).

Almost surely, 2^1368025969 is an apocalyptic number.

It is an amenable number.

1368025969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368025969 is an equidigital number, since it uses as much as digits as its factorization.

1368025969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 1368025969 is about 36986.8350768216. The cubic root of 1368025969 is about 1110.1068449487.

The spelling of 1368025969 in words is "one billion, three hundred sixty-eight million, twenty-five thousand, nine hundred sixty-nine".