4864240639 has 4 divisors (see below), whose sum is σ = 4864384224. Its totient is φ = 4864097056.

The previous prime is 4864240637. The next prime is 4864240709. The reversal of 4864240639 is 9360424684.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4864240639 - 2¹ = 4864240637 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 (4864240637) 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, 10359 + ... + 99175.

It is an arithmetic number, because the mean of its divisors is an integer number (1216096056).

Almost surely, 2^4864240639 is an apocalyptic number.

4864240639 is a deficient number, since it is larger than the sum of its proper divisors (143585).

4864240639 is an equidigital number, since it uses as much as digits as its factorization.

4864240639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143584.

The product of its (nonzero) digits is 995328, while the sum is 46.

The square root of 4864240639 is about 69744.1082744629. The cubic root of 4864240639 is about 1694.3573746982.

The spelling of 4864240639 in words is "four billion, eight hundred sixty-four million, two hundred forty thousand, six hundred thirty-nine".