6536321545 has 16 divisors (see below), whose sum is σ = 8472485952. Its totient is φ = 4812223680.

The previous prime is 6536321501. The next prime is 6536321569. The reversal of 6536321545 is 5451236356.

It is not a de Polignac number, because 6536321545 - 2¹¹ = 6536319497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6536321498 and 6536321507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130387 + ... + 173416.

It is an arithmetic number, because the mean of its divisors is an integer number (529530372).

Almost surely, 2^6536321545 is an apocalyptic number.

6536321545 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6536321545 is a deficient number, since it is larger than the sum of its proper divisors (1936164407).

6536321545 is a wasteful number, since it uses less digits than its factorization.

6536321545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304152.

The product of its digits is 324000, while the sum is 40.

The square root of 6536321545 is about 80847.5203392163. The cubic root of 6536321545 is about 1869.7252920840.

The spelling of 6536321545 in words is "six billion, five hundred thirty-six million, three hundred twenty-one thousand, five hundred forty-five".