1067956764643 has 2 divisors, whose sum is σ = 1067956764644. Its totient is φ = 1067956764642.

The previous prime is 1067956764557. The next prime is 1067956764671. The reversal of 1067956764643 is 3464676597601.

It is a strong prime.

It is an emirp because it is prime and its reverse (3464676597601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1067956764643 is a prime.

It is a super-2 number, since 2×1067956764643² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1067956764673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533978382321 + 533978382322.

It is an arithmetic number, because the mean of its divisors is an integer number (533978382322).

Almost surely, 2^{1067956764643} is an apocalyptic number.

1067956764643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067956764643 is an equidigital number, since it uses as much as digits as its factorization.

1067956764643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 1067956764643 in words is "one trillion, sixty-seven billion, nine hundred fifty-six million, seven hundred sixty-four thousand, six hundred forty-three".