4909655813 has 2 divisors, whose sum is σ = 4909655814. Its totient is φ = 4909655812.

The previous prime is 4909655797. The next prime is 4909655819. The reversal of 4909655813 is 3185569094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2852307649 + 2057348164 = 53407^2 + 45358^2 .

It is a cyclic number.

It is not a de Polignac number, because 4909655813 - 2⁴ = 4909655797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4909655819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2454827906 + 2454827907.

It is an arithmetic number, because the mean of its divisors is an integer number (2454827907).

Almost surely, 2^4909655813 is an apocalyptic number.

It is an amenable number.

4909655813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4909655813 is an equidigital number, since it uses as much as digits as its factorization.

4909655813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 4909655813 is about 70068.9361486244. The cubic root of 4909655813 is about 1699.6141930724.

The spelling of 4909655813 in words is "four billion, nine hundred nine million, six hundred fifty-five thousand, eight hundred thirteen".