82561048653 has 8 divisors (see below), whose sum is σ = 114867546048. Its totient is φ = 52647625184.

The previous prime is 82561048649. The next prime is 82561048693. The reversal of 82561048653 is 35684016528.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82561048653 - 2² = 82561048649 is a prime.

It is a super-2 number, since 2×82561048653² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82561048693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598268400 + ... + 598268537.

It is an arithmetic number, because the mean of its divisors is an integer number (14358443256).

Almost surely, 2^82561048653 is an apocalyptic number.

It is an amenable number.

82561048653 is a deficient number, since it is larger than the sum of its proper divisors (32306497395).

82561048653 is a wasteful number, since it uses less digits than its factorization.

82561048653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196536963.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 82561048653 in words is "eighty-two billion, five hundred sixty-one million, forty-eight thousand, six hundred fifty-three".