1068727630645 has 8 divisors (see below), whose sum is σ = 1289558644920. Its totient is φ = 850258445760.

The previous prime is 1068727630637. The next prime is 1068727630669. The reversal of 1068727630645 is 5460367278601.

It can be written as a sum of positive squares in 4 ways, for example, as 79446750769 + 989280879876 = 281863^2 + 994626^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1068727630645 - 2³ = 1068727630637 is a prime.

It is a super-2 number, since 2×1068727630645² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590456350 + ... + 590458159.

It is an arithmetic number, because the mean of its divisors is an integer number (161194830615).

Almost surely, 2^{1068727630645} is an apocalyptic number.

It is an amenable number.

1068727630645 is a deficient number, since it is larger than the sum of its proper divisors (220831014275).

1068727630645 is a wasteful number, since it uses less digits than its factorization.

1068727630645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180914695.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 1068727630645 in words is "one trillion, sixty-eight billion, seven hundred twenty-seven million, six hundred thirty thousand, six hundred forty-five".