1068623269 has 4 divisors (see below), whose sum is σ = 1221283744. Its totient is φ = 915962796.

The previous prime is 1068623261. The next prime is 1068623321. The reversal of 1068623269 is 9623268601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9623268601 = 6263 ⋅1536527.

It is not a de Polignac number, because 1068623269 - 2³ = 1068623261 is a prime.

It is a super-2 number, since 2×1068623269² = 2283911382096492722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068623261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76330227 + ... + 76330240.

It is an arithmetic number, because the mean of its divisors is an integer number (305320936).

Almost surely, 2^1068623269 is an apocalyptic number.

It is an amenable number.

1068623269 is a deficient number, since it is larger than the sum of its proper divisors (152660475).

1068623269 is an equidigital number, since it uses as much as digits as its factorization.

1068623269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152660474.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1068623269 is about 32689.8037467342. The cubic root of 1068623269 is about 1022.3702627701.

The spelling of 1068623269 in words is "one billion, sixty-eight million, six hundred twenty-three thousand, two hundred sixty-nine".