6845395536 has 240 divisors, whose sum is σ = 22948225664. Its totient is φ = 1934917632.

The previous prime is 6845395489. The next prime is 6845395607. The reversal of 6845395536 is 6355935486.

It is a happy number.

6845395536 is a `hidden beast` number, since 6 + 84 + 5 + 3 + 9 + 553 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2638656 + ... + 2641248.

Almost surely, 2^6845395536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6845395536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11474112832).

6845395536 is an abundant number, since it is smaller than the sum of its proper divisors (16102830128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6845395536 is a wasteful number, since it uses less digits than its factorization.

6845395536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2702 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 54.

The square root of 6845395536 is about 82736.9055258897. The cubic root of 6845395536 is about 1898.7429853645.

The spelling of 6845395536 in words is "six billion, eight hundred forty-five million, three hundred ninety-five thousand, five hundred thirty-six".