1064953909 has 4 divisors (see below), whose sum is σ = 1066091404. Its totient is φ = 1063816416.

The previous prime is 1064953907. The next prime is 1064953927. The reversal of 1064953909 is 9093594601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213598225 + 851355684 = 14615^2 + 29178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064953909 - 2¹ = 1064953907 is a prime.

It is a super-2 number, since 2×1064953909² = 2268253656588760562, 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 (1064953907) 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, 567342 + ... + 569215.

It is an arithmetic number, because the mean of its divisors is an integer number (266522851).

Almost surely, 2^1064953909 is an apocalyptic number.

It is an amenable number.

1064953909 is a deficient number, since it is larger than the sum of its proper divisors (1137495).

1064953909 is an equidigital number, since it uses as much as digits as its factorization.

1064953909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137494.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 1064953909 is about 32633.6315631589. The cubic root of 1064953909 is about 1021.1987409071.

The spelling of 1064953909 in words is "one billion, sixty-four million, nine hundred fifty-three thousand, nine hundred nine".