5130548909 has 4 divisors (see below), whose sum is σ = 5143472604. Its totient is φ = 5117625216.

The previous prime is 5130548893. The next prime is 5130548923. The reversal of 5130548909 is 9098450315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9098450315 = 5 ⋅1819690063.

It can be written as a sum of positive squares in 2 ways, for example, as 2361474025 + 2769074884 = 48595^2 + 52622^2 .

It is a cyclic number.

It is not a de Polignac number, because 5130548909 - 2⁴ = 5130548893 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 5130548909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130548959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6461252 + ... + 6462045.

It is an arithmetic number, because the mean of its divisors is an integer number (1285868151).

Almost surely, 2^5130548909 is an apocalyptic number.

It is an amenable number.

5130548909 is a deficient number, since it is larger than the sum of its proper divisors (12923695).

5130548909 is a wasteful number, since it uses less digits than its factorization.

5130548909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12923694.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 5130548909 is about 71627.8500933820. The cubic root of 5130548909 is about 1724.7306345763.

The spelling of 5130548909 in words is "five billion, one hundred thirty million, five hundred forty-eight thousand, nine hundred nine".