1068727630637 has 2 divisors, whose sum is σ = 1068727630638. Its totient is φ = 1068727630636.

The previous prime is 1068727630627. The next prime is 1068727630669. The reversal of 1068727630637 is 7360367278601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879358183081 + 189369447556 = 937741^2 + 435166^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068727630637 - 2⁶ = 1068727630573 is a prime.

It is a super-2 number, since 2×1068727630637² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068727630627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534363815318 + 534363815319.

It is an arithmetic number, because the mean of its divisors is an integer number (534363815319).

Almost surely, 2^{1068727630637} is an apocalyptic number.

It is an amenable number.

1068727630637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068727630637 is an equidigital number, since it uses as much as digits as its factorization.

1068727630637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 1068727630637 in words is "one trillion, sixty-eight billion, seven hundred twenty-seven million, six hundred thirty thousand, six hundred thirty-seven".