6548835645 has 48 divisors (see below), whose sum is σ = 12480878592. Its totient is φ = 3150161280.

The previous prime is 6548835641. The next prime is 6548835673. The reversal of 6548835645 is 5465388456.

6548835645 is a `hidden beast` number, since 6 + 548 + 8 + 3 + 56 + 45 = 666.

It is not a de Polignac number, because 6548835645 - 2² = 6548835641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6548835591 and 6548835600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6548835641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10779 + ... + 114951.

It is an arithmetic number, because the mean of its divisors is an integer number (260018304).

Almost surely, 2^6548835645 is an apocalyptic number.

It is an amenable number.

6548835645 is a deficient number, since it is larger than the sum of its proper divisors (5932042947).

6548835645 is a wasteful number, since it uses less digits than its factorization.

6548835645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104322 (or 104319 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The square root of 6548835645 is about 80924.8765522691. The cubic root of 6548835645 is about 1870.9177575417.

The spelling of 6548835645 in words is "six billion, five hundred forty-eight million, eight hundred thirty-five thousand, six hundred forty-five".