1068691722999 has 4 divisors (see below), whose sum is σ = 1424922297336. Its totient is φ = 712461148664.

The previous prime is 1068691722899. The next prime is 1068691723009. The reversal of 1068691722999 is 9992271968601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1068691722999 - 2⁹ = 1068691722487 is a prime.

It is a super-2 number, since 2×1068691722999² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068691722199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178115287164 + ... + 178115287169.

It is an arithmetic number, because the mean of its divisors is an integer number (356230574334).

Almost surely, 2^{1068691722999} is an apocalyptic number.

1068691722999 is a deficient number, since it is larger than the sum of its proper divisors (356230574337).

1068691722999 is an equidigital number, since it uses as much as digits as its factorization.

1068691722999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356230574336.

The product of its (nonzero) digits is 52907904, while the sum is 69.

The spelling of 1068691722999 in words is "one trillion, sixty-eight billion, six hundred ninety-one million, seven hundred twenty-two thousand, nine hundred ninety-nine".