64092109 has 8 divisors (see below), whose sum is σ = 64852920. Its totient is φ = 63334656.

The previous prime is 64092107. The next prime is 64092157. The reversal of 64092109 is 90129046.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1334025 + 62758084 = 1155^2 + 7922^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64092109 - 2¹ = 64092107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64092107) 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, 66777 + ... + 67729.

It is an arithmetic number, because the mean of its divisors is an integer number (8106615).

Almost surely, 2^64092109 is an apocalyptic number.

It is an amenable number.

64092109 is a deficient number, since it is larger than the sum of its proper divisors (760811).

64092109 is a wasteful number, since it uses less digits than its factorization.

64092109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 64092109 is about 8005.7547426835. The cubic root of 64092109 is about 400.1918017655.

The spelling of 64092109 in words is "sixty-four million, ninety-two thousand, one hundred nine".