64365665486 has 4 divisors (see below), whose sum is σ = 96548498232. Its totient is φ = 32182832742.

The previous prime is 64365665477. The next prime is 64365665519. The reversal of 64365665486 is 68456656346.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16091416370 + ... + 16091416373.

It is an arithmetic number, because the mean of its divisors is an integer number (24137124558).

Almost surely, 2^64365665486 is an apocalyptic number.

64365665486 is a deficient number, since it is larger than the sum of its proper divisors (32182832746).

64365665486 is a wasteful number, since it uses less digits than its factorization.

64365665486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32182832745.

The product of its digits is 74649600, while the sum is 59.

The spelling of 64365665486 in words is "sixty-four billion, three hundred sixty-five million, six hundred sixty-five thousand, four hundred eighty-six".