6536494770 has 192 divisors, whose sum is σ = 17946012672. Its totient is φ = 1512576000.

The previous prime is 6536494751. The next prime is 6536494771. The reversal of 6536494770 is 774946356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6536494771) 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 95 ways as a sum of consecutive naturals, for example, 64717720 + ... + 64717820.

It is an arithmetic number, because the mean of its divisors is an integer number (93468816).

Almost surely, 2^6536494770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6536494770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8973006336).

6536494770 is an abundant number, since it is smaller than the sum of its proper divisors (11409517902).

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

6536494770 is a wasteful number, since it uses less digits than its factorization.

6536494770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The square root of 6536494770 is about 80848.5916389395. The cubic root of 6536494770 is about 1869.7418090347.

The spelling of 6536494770 in words is "six billion, five hundred thirty-six million, four hundred ninety-four thousand, seven hundred seventy".