5130634665 has 48 divisors (see below), whose sum is σ = 9035046720. Its totient is φ = 2484368640.

The previous prime is 5130634643. The next prime is 5130634669. The reversal of 5130634665 is 5664360315.

It is a happy number.

It is not a de Polignac number, because 5130634665 - 2¹² = 5130630569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5130634669) 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 47 ways as a sum of consecutive naturals, for example, 138046 + ... + 171224.

It is an arithmetic number, because the mean of its divisors is an integer number (188230140).

Almost surely, 2^5130634665 is an apocalyptic number.

It is an amenable number.

5130634665 is a deficient number, since it is larger than the sum of its proper divisors (3904412055).

5130634665 is a wasteful number, since it uses less digits than its factorization.

5130634665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33274 (or 33261 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 5130634665 is about 71628.4487127845. The cubic root of 5130634665 is about 1724.7402440209.

The spelling of 5130634665 in words is "five billion, one hundred thirty million, six hundred thirty-four thousand, six hundred sixty-five".