4500778939 has 2 divisors, whose sum is σ = 4500778940. Its totient is φ = 4500778938.

The previous prime is 4500778913. The next prime is 4500778981. The reversal of 4500778939 is 9398770054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4500778939 - 2⁵ = 4500778907 is a prime.

It is a super-5 number, since 5×4500778939⁵ (a number of 49 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (4500776939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2250389469 + 2250389470.

It is an arithmetic number, because the mean of its divisors is an integer number (2250389470).

Almost surely, 2^4500778939 is an apocalyptic number.

4500778939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4500778939 is an equidigital number, since it uses as much as digits as its factorization.

4500778939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 4500778939 is about 67087.8449422844. The cubic root of 4500778939 is about 1651.0588782074.

The spelling of 4500778939 in words is "four billion, five hundred million, seven hundred seventy-eight thousand, nine hundred thirty-nine".