6509162653 has 4 divisors (see below), whose sum is σ = 7439043040. Its totient is φ = 5579282268.

The previous prime is 6509162533. The next prime is 6509162663. The reversal of 6509162653 is 3562619056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-6509162653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6509162663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464940183 + ... + 464940196.

It is an arithmetic number, because the mean of its divisors is an integer number (1859760760).

Almost surely, 2^6509162653 is an apocalyptic number.

It is an amenable number.

6509162653 is a deficient number, since it is larger than the sum of its proper divisors (929880387).

6509162653 is an equidigital number, since it uses as much as digits as its factorization.

6509162653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929880386.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 6509162653 is about 80679.3818332788. The cubic root of 6509162653 is about 1867.1320821875.

The spelling of 6509162653 in words is "six billion, five hundred nine million, one hundred sixty-two thousand, six hundred fifty-three".