4549779439 has 2 divisors, whose sum is σ = 4549779440. Its totient is φ = 4549779438.

The previous prime is 4549779427. The next prime is 4549779457. The reversal of 4549779439 is 9349779454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4549779439 - 2¹¹ = 4549777391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4549779469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274889719 + 2274889720.

It is an arithmetic number, because the mean of its divisors is an integer number (2274889720).

Almost surely, 2^4549779439 is an apocalyptic number.

4549779439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4549779439 is an equidigital number, since it uses as much as digits as its factorization.

4549779439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 61.

The square root of 4549779439 is about 67452.0528894414. The cubic root of 4549779439 is about 1657.0290206813.

The spelling of 4549779439 in words is "four billion, five hundred forty-nine million, seven hundred seventy-nine thousand, four hundred thirty-nine".