1068194653 has 2 divisors, whose sum is σ = 1068194654. Its totient is φ = 1068194652.

The previous prime is 1068194651. The next prime is 1068194657. The reversal of 1068194653 is 3564918601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 589372729 + 478821924 = 24277^2 + 21882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068194653 - 2¹ = 1068194651 is a prime.

It is a super-2 number, since 2×1068194653² = 2282079633395580818, which contains 22 as substring.

Together with 1068194651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068194651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534097326 + 534097327.

It is an arithmetic number, because the mean of its divisors is an integer number (534097327).

Almost surely, 2^1068194653 is an apocalyptic number.

It is an amenable number.

1068194653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068194653 is an equidigital number, since it uses as much as digits as its factorization.

1068194653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1068194653 is about 32683.2472835855. The cubic root of 1068194653 is about 1022.2335563913.

The spelling of 1068194653 in words is "one billion, sixty-eight million, one hundred ninety-four thousand, six hundred fifty-three".