4549380639 has 8 divisors (see below), whose sum is σ = 6092330160. Its totient is φ = 3019675776.

The previous prime is 4549380587. The next prime is 4549380643. The reversal of 4549380639 is 9360839454.

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

It is not a de Polignac number, because 4549380639 - 2⁹ = 4549380127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4549380591 and 4549380600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4549382639) 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, 3310362 + ... + 3311735.

It is an arithmetic number, because the mean of its divisors is an integer number (761541270).

Almost surely, 2^4549380639 is an apocalyptic number.

4549380639 is a deficient number, since it is larger than the sum of its proper divisors (1542949521).

4549380639 is a wasteful number, since it uses less digits than its factorization.

4549380639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622329.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The square root of 4549380639 is about 67449.0966507336. The cubic root of 4549380639 is about 1656.9806049657.

The spelling of 4549380639 in words is "four billion, five hundred forty-nine million, three hundred eighty thousand, six hundred thirty-nine".