4529693809 has 27 divisors (see below), whose sum is σ = 4992034593. Its totient is φ = 4109251968.

The previous prime is 4529693797. The next prime is 4529693837. The reversal of 4529693809 is 9083969254.

It is a happy number.

The square root of 4529693809 is 67303.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2107085409 + 2422608400 = 45903^2 + 49220^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4529693809 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 4529693809.

It is not an unprimeable number, because it can be changed into a prime (4529693869) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 42333534 + ... + 42333640.

Almost surely, 2^4529693809 is an apocalyptic number.

4529693809 is the 67303-rd square number.

4529693809 is the 33652-nd centered octagonal number.

It is an amenable number.

4529693809 is a deficient number, since it is larger than the sum of its proper divisors (462340784).

4529693809 is an equidigital number, since it uses as much as digits as its factorization.

4529693809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 55.

The cubic root of 4529693809 is about 1654.5870291210.

The spelling of 4529693809 in words is "four billion, five hundred twenty-nine million, six hundred ninety-three thousand, eight hundred nine".