1064816669 has 4 divisors (see below), whose sum is σ = 1216933344. Its totient is φ = 912699996.

The previous prime is 1064816659. The next prime is 1064816681. The reversal of 1064816669 is 9666184601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1064816669 - 2⁴ = 1064816653 is a prime.

It is a super-2 number, since 2×1064816669² = 2267669077160511122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064816659) 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 in 3 ways as a sum of consecutive naturals, for example, 76058327 + ... + 76058340.

It is an arithmetic number, because the mean of its divisors is an integer number (304233336).

Almost surely, 2^1064816669 is an apocalyptic number.

It is an amenable number.

1064816669 is a deficient number, since it is larger than the sum of its proper divisors (152116675).

1064816669 is an equidigital number, since it uses as much as digits as its factorization.

1064816669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152116674.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1064816669 is about 32631.5287567101. The cubic root of 1064816669 is about 1021.1548719238.

The spelling of 1064816669 in words is "one billion, sixty-four million, eight hundred sixteen thousand, six hundred sixty-nine".