1064643271 has 2 divisors, whose sum is σ = 1064643272. Its totient is φ = 1064643270.

The previous prime is 1064643257. The next prime is 1064643289. The reversal of 1064643271 is 1723464601.

It is a weak prime.

It is an emirp because it is prime and its reverse (1723464601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1064643271 - 2¹⁷ = 1064512199 is a prime.

It is a super-2 number, since 2×1064643271² = 2266930588971158882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064643971) 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, 532321635 + 532321636.

It is an arithmetic number, because the mean of its divisors is an integer number (532321636).

Almost surely, 2^1064643271 is an apocalyptic number.

1064643271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064643271 is an equidigital number, since it uses as much as digits as its factorization.

1064643271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1064643271 is about 32628.8717396112. The cubic root of 1064643271 is about 1021.0994395882.

The spelling of 1064643271 in words is "one billion, sixty-four million, six hundred forty-three thousand, two hundred seventy-one".