1064560623779 has 2 divisors, whose sum is σ = 1064560623780. Its totient is φ = 1064560623778.

The previous prime is 1064560623769. The next prime is 1064560623877. The reversal of 1064560623779 is 9773260654601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064560623779 is a prime.

It is a super-2 number, since 2×1064560623779² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064560623769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532280311889 + 532280311890.

It is an arithmetic number, because the mean of its divisors is an integer number (532280311890).

Almost surely, 2^{1064560623779} is an apocalyptic number.

1064560623779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064560623779 is an equidigital number, since it uses as much as digits as its factorization.

1064560623779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 1064560623779 in words is "one trillion, sixty-four billion, five hundred sixty million, six hundred twenty-three thousand, seven hundred seventy-nine".