64348569 has 6 divisors (see below), whose sum is σ = 92947946. Its totient is φ = 42899040.

The previous prime is 64348567. The next prime is 64348601. The reversal of 64348569 is 96584346.

64348569 is a `hidden beast` number, since 6 + 43 + 48 + 569 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33212169 + 31136400 = 5763^2 + 5580^2 .

It is not a de Polignac number, because 64348569 - 2¹ = 64348567 is a prime.

It is a super-2 number, since 2×64348569² = 8281476664695522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64348567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3574912 + ... + 3574929.

Almost surely, 2^64348569 is an apocalyptic number.

It is an amenable number.

64348569 is a deficient number, since it is larger than the sum of its proper divisors (28599377).

64348569 is a wasteful number, since it uses less digits than its factorization.

64348569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149847 (or 7149844 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 64348569 is about 8021.7559798338. The cubic root of 64348569 is about 400.7248710282.

The spelling of 64348569 in words is "sixty-four million, three hundred forty-eight thousand, five hundred sixty-nine".