1064823909 has 8 divisors (see below), whose sum is σ = 1420192512. Its totient is φ = 709668960.

The previous prime is 1064823871. The next prime is 1064823919. The reversal of 1064823909 is 9093284601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1064823909 - 2¹² = 1064819813 is a prime.

It is a super-2 number, since 2×1064823909² = 2267699914356080562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064823919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41397 + ... + 61994.

It is an arithmetic number, because the mean of its divisors is an integer number (177524064).

Almost surely, 2^1064823909 is an apocalyptic number.

It is an amenable number.

1064823909 is a deficient number, since it is larger than the sum of its proper divisors (355368603).

1064823909 is a wasteful number, since it uses less digits than its factorization.

1064823909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106827.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1064823909 is about 32631.6396921761. The cubic root of 1064823909 is about 1021.1571862954.

The spelling of 1064823909 in words is "one billion, sixty-four million, eight hundred twenty-three thousand, nine hundred nine".