64239852671 has 8 divisors (see below), whose sum is σ = 68027163120. Its totient is φ = 60453486208.

The previous prime is 64239852643. The next prime is 64239852683. The reversal of 64239852671 is 17625893246.

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

It is not a de Polignac number, because 64239852671 - 2¹⁰ = 64239851647 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 (64239852631) 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, 93416 + ... + 370413.

It is an arithmetic number, because the mean of its divisors is an integer number (8503395390).

Almost surely, 2^64239852671 is an apocalyptic number.

64239852671 is a deficient number, since it is larger than the sum of its proper divisors (3787310449).

64239852671 is a wasteful number, since it uses less digits than its factorization.

64239852671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471993.

The product of its digits is 4354560, while the sum is 53.

The spelling of 64239852671 in words is "sixty-four billion, two hundred thirty-nine million, eight hundred fifty-two thousand, six hundred seventy-one".