64484078492590 has 8 divisors (see below), whose sum is σ = 116071341286680. Its totient is φ = 25793631397032.

The previous prime is 64484078492567. The next prime is 64484078492609. The reversal of 64484078492590 is 9529487048446.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224203924620 + ... + 3224203924639.

It is an arithmetic number, because the mean of its divisors is an integer number (14508917660835).

Almost surely, 2^{64484078492590} is an apocalyptic number.

64484078492590 is a deficient number, since it is larger than the sum of its proper divisors (51587262794090).

64484078492590 is a wasteful number, since it uses less digits than its factorization.

64484078492590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6448407849266.

The product of its (nonzero) digits is 557383680, while the sum is 70.

The spelling of 64484078492590 in words is "sixty-four trillion, four hundred eighty-four billion, seventy-eight million, four hundred ninety-two thousand, five hundred ninety".