4689780439 has 2 divisors, whose sum is σ = 4689780440. Its totient is φ = 4689780438.

The previous prime is 4689780401. The next prime is 4689780503. The reversal of 4689780439 is 9340879864.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4689780439 - 2⁷ = 4689780311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4689720439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344890219 + 2344890220.

It is an arithmetic number, because the mean of its divisors is an integer number (2344890220).

Almost surely, 2^4689780439 is an apocalyptic number.

4689780439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4689780439 is an equidigital number, since it uses as much as digits as its factorization.

4689780439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The square root of 4689780439 is about 68481.9716348763. The cubic root of 4689780439 is about 1673.8537269412.

The spelling of 4689780439 in words is "four billion, six hundred eighty-nine million, seven hundred eighty thousand, four hundred thirty-nine".