6513661053 has 12 divisors (see below), whose sum is σ = 9409824060. Its totient is φ = 4341885696.

The previous prime is 6513661031. The next prime is 6513661081. The reversal of 6513661053 is 3501663156.

6513661053 is a `hidden beast` number, since 6 + 5 + 1 + 36 + 610 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2605285764 + 3908375289 = 51042^2 + 62517^2 .

It is not a de Polignac number, because 6513661053 - 2¹⁰ = 6513660029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6513660999 and 6513661017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6513661003) 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 11 ways as a sum of consecutive naturals, for example, 35725 + ... + 119597.

It is an arithmetic number, because the mean of its divisors is an integer number (784152005).

Almost surely, 2^6513661053 is an apocalyptic number.

It is an amenable number.

6513661053 is a deficient number, since it is larger than the sum of its proper divisors (2896163007).

6513661053 is a wasteful number, since it uses less digits than its factorization.

6513661053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92508 (or 92505 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 6513661053 is about 80707.2552686560. The cubic root of 6513661053 is about 1867.5621002666.

The spelling of 6513661053 in words is "six billion, five hundred thirteen million, six hundred sixty-one thousand, fifty-three".