4919776109 has 4 divisors (see below), whose sum is σ = 4931462460. Its totient is φ = 4908089760.

The previous prime is 4919776093. The next prime is 4919776111. The reversal of 4919776109 is 9016779194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 477553609 + 4442222500 = 21853^2 + 66650^2 .

It is a cyclic number.

It is not a de Polignac number, because 4919776109 - 2⁴ = 4919776093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919776139) 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 in 3 ways as a sum of consecutive naturals, for example, 5842544 + ... + 5843385.

It is an arithmetic number, because the mean of its divisors is an integer number (1232865615).

Almost surely, 2^4919776109 is an apocalyptic number.

It is an amenable number.

4919776109 is a deficient number, since it is larger than the sum of its proper divisors (11686351).

4919776109 is a wasteful number, since it uses less digits than its factorization.

4919776109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11686350.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 4919776109 is about 70141.1156811752. The cubic root of 4919776109 is about 1700.7811990930.

It can be divided in two parts, 49197 and 76109, that multiplied together give a palindrome (3744334473).

The spelling of 4919776109 in words is "four billion, nine hundred nineteen million, seven hundred seventy-six thousand, one hundred nine".