1064794928647 has 2 divisors, whose sum is σ = 1064794928648. Its totient is φ = 1064794928646.

The previous prime is 1064794928633. The next prime is 1064794928671. The reversal of 1064794928647 is 7468294974601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064794928647 is a prime.

It is a super-2 number, since 2×1064794928647² (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 (1064794928677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532397464323 + 532397464324.

It is an arithmetic number, because the mean of its divisors is an integer number (532397464324).

Almost surely, 2^{1064794928647} is an apocalyptic number.

1064794928647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064794928647 is an equidigital number, since it uses as much as digits as its factorization.

1064794928647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 1064794928647 in words is "one trillion, sixty-four billion, seven hundred ninety-four million, nine hundred twenty-eight thousand, six hundred forty-seven".