5518650813 has 16 divisors (see below), whose sum is σ = 7929841920. Its totient is φ = 3393681984.

The previous prime is 5518650803. The next prime is 5518650817. The reversal of 5518650813 is 3180568155.

It is not a de Polignac number, because 5518650813 - 2¹³ = 5518642621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518650817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6220 + ... + 105242.

It is an arithmetic number, because the mean of its divisors is an integer number (495615120).

Almost surely, 2^5518650813 is an apocalyptic number.

It is an amenable number.

5518650813 is a deficient number, since it is larger than the sum of its proper divisors (2411191107).

5518650813 is a wasteful number, since it uses less digits than its factorization.

5518650813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100468.

The product of its (nonzero) digits is 144000, while the sum is 42.

The square root of 5518650813 is about 74287.6222058561. The cubic root of 5518650813 is about 1767.1671852315.

The spelling of 5518650813 in words is "five billion, five hundred eighteen million, six hundred fifty thousand, eight hundred thirteen".