2039479549 has 8 divisors (see below), whose sum is σ = 2110311000. Its totient is φ = 1968681792.

The previous prime is 2039479543. The next prime is 2039479571. The reversal of 2039479549 is 9459749302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1095146649 + 944332900 = 33093^2 + 30730^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2039479549 - 2¹¹ = 2039477501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2039479496 and 2039479505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039479543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221367 + ... + 230395.

It is an arithmetic number, because the mean of its divisors is an integer number (263788875).

Almost surely, 2^2039479549 is an apocalyptic number.

2039479549 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2039479549 is a deficient number, since it is larger than the sum of its proper divisors (70831451).

2039479549 is an equidigital number, since it uses as much as digits as its factorization.

2039479549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16847.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The square root of 2039479549 is about 45160.5973056159. The cubic root of 2039479549 is about 1268.1572773512.

The spelling of 2039479549 in words is "two billion, thirty-nine million, four hundred seventy-nine thousand, five hundred forty-nine".