4861725639 has 8 divisors (see below), whose sum is σ = 6573601152. Its totient is φ = 3195500280.

The previous prime is 4861725601. The next prime is 4861725653. The reversal of 4861725639 is 9365271684.

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

It is a de Polignac number, because none of the positive numbers 2^k-4861725639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4861725591 and 4861725600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4861725679) 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, 11412289 + ... + 11412714.

It is an arithmetic number, because the mean of its divisors is an integer number (821700144).

Almost surely, 2^4861725639 is an apocalyptic number.

4861725639 is a deficient number, since it is larger than the sum of its proper divisors (1711875513).

4861725639 is a wasteful number, since it uses less digits than its factorization.

4861725639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22825077.

The product of its digits is 2177280, while the sum is 51.

The square root of 4861725639 is about 69726.0757464523. The cubic root of 4861725639 is about 1694.0653083206.

The spelling of 4861725639 in words is "four billion, eight hundred sixty-one million, seven hundred twenty-five thousand, six hundred thirty-nine".