64483309 has 16 divisors (see below), whose sum is σ = 71970624. Its totient is φ = 57283200.

The previous prime is 64483303. The next prime is 64483373. The reversal of 64483309 is 90338446.

It is a cyclic number.

It is not a de Polignac number, because 64483309 - 2⁵ = 64483277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64483303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104887 + ... + 105499.

It is an arithmetic number, because the mean of its divisors is an integer number (4498164).

Almost surely, 2^64483309 is an apocalyptic number.

It is an amenable number.

64483309 is a deficient number, since it is larger than the sum of its proper divisors (7487315).

64483309 is a wasteful number, since it uses less digits than its factorization.

64483309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 64483309 is about 8030.1499985990. The cubic root of 64483309 is about 401.0043697428.

The spelling of 64483309 in words is "sixty-four million, four hundred eighty-three thousand, three hundred nine".