64082489 has 4 divisors (see below), whose sum is σ = 66292260. Its totient is φ = 61872720.

The previous prime is 64082477. The next prime is 64082527. The reversal of 64082489 is 98428046.

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 47720464 + 16362025 = 6908^2 + 4045^2 .

It is a cyclic number.

It is not a de Polignac number, because 64082489 - 2⁸ = 64082233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64082429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104842 + ... + 1104899.

It is an arithmetic number, because the mean of its divisors is an integer number (16573065).

Almost surely, 2^64082489 is an apocalyptic number.

It is an amenable number.

64082489 is a deficient number, since it is larger than the sum of its proper divisors (2209771).

64082489 is a wasteful number, since it uses less digits than its factorization.

64082489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209770.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 64082489 is about 8005.1539023307. The cubic root of 64082489 is about 400.1717783033.

The spelling of 64082489 in words is "sixty-four million, eighty-two thousand, four hundred eighty-nine".