4929527809 has 4 divisors (see below), whose sum is σ = 4931154004. Its totient is φ = 4927901616.

The previous prime is 4929527807. The next prime is 4929527819. The reversal of 4929527809 is 9087259294.

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 4719277809 + 210250000 = 68697^2 + 14500^2 .

It is a cyclic number.

It is not a de Polignac number, because 4929527809 - 2¹ = 4929527807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4929527809.

It is not an unprimeable number, because it can be changed into a prime (4929527807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808542 + ... + 814615.

It is an arithmetic number, because the mean of its divisors is an integer number (1232788501).

Almost surely, 2^4929527809 is an apocalyptic number.

It is an amenable number.

4929527809 is a deficient number, since it is larger than the sum of its proper divisors (1626195).

4929527809 is a wasteful number, since it uses less digits than its factorization.

4929527809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626194.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 4929527809 is about 70210.5961304987. The cubic root of 4929527809 is about 1701.9041879865.

The spelling of 4929527809 in words is "four billion, nine hundred twenty-nine million, five hundred twenty-seven thousand, eight hundred nine".