4788149309 has 2 divisors, whose sum is σ = 4788149310. Its totient is φ = 4788149308.

The previous prime is 4788149291. The next prime is 4788149347. The reversal of 4788149309 is 9039418874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4261217284 + 526932025 = 65278^2 + 22955^2 .

It is a cyclic number.

It is not a de Polignac number, because 4788149309 - 2²⁰ = 4787100733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4788149369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2394074654 + 2394074655.

It is an arithmetic number, because the mean of its divisors is an integer number (2394074655).

Almost surely, 2^4788149309 is an apocalyptic number.

It is an amenable number.

4788149309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4788149309 is an equidigital number, since it uses as much as digits as its factorization.

4788149309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 4788149309 is about 69196.4544539675. The cubic root of 4788149309 is about 1685.4759560282.

The spelling of 4788149309 in words is "four billion, seven hundred eighty-eight million, one hundred forty-nine thousand, three hundred nine".