3180516049 has 4 divisors (see below), whose sum is σ = 3224084836. Its totient is φ = 3136947264.

The previous prime is 3180516029. The next prime is 3180516067. The reversal of 3180516049 is 9406150813.

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 2374807824 + 805708225 = 48732^2 + 28385^2 .

It is a cyclic number.

It is not a de Polignac number, because 3180516049 - 2³¹ = 1033032401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3180515999 and 3180516017.

It is not an unprimeable number, because it can be changed into a prime (3180516029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21784284 + ... + 21784429.

It is an arithmetic number, because the mean of its divisors is an integer number (806021209).

Almost surely, 2^3180516049 is an apocalyptic number.

It is an amenable number.

3180516049 is a deficient number, since it is larger than the sum of its proper divisors (43568787).

3180516049 is an equidigital number, since it uses as much as digits as its factorization.

3180516049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43568786.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 3180516049 is about 56396.0641268520. The cubic root of 3180516049 is about 1470.6156967025.

The spelling of 3180516049 in words is "three billion, one hundred eighty million, five hundred sixteen thousand, forty-nine".