64486543 has 8 divisors (see below), whose sum is σ = 70473600. Its totient is φ = 58520280.

The previous prime is 64486529. The next prime is 64486553. The reversal of 64486543 is 34568446.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64486543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64486496 and 64486505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64486553) 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 7 ways as a sum of consecutive naturals, for example, 1696 + ... + 11482.

It is an arithmetic number, because the mean of its divisors is an integer number (8809200).

Almost surely, 2^64486543 is an apocalyptic number.

64486543 is a deficient number, since it is larger than the sum of its proper divisors (5987057).

64486543 is a wasteful number, since it uses less digits than its factorization.

64486543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10397.

The product of its digits is 276480, while the sum is 40.

The square root of 64486543 is about 8030.3513621759. The cubic root of 64486543 is about 401.0110734230.

The spelling of 64486543 in words is "sixty-four million, four hundred eighty-six thousand, five hundred forty-three".