6536378445 has 32 divisors (see below), whose sum is σ = 10664734080. Its totient is φ = 3417603840.

The previous prime is 6536378389. The next prime is 6536378447. The reversal of 6536378445 is 5448736356.

It is not a de Polignac number, because 6536378445 - 2¹¹ = 6536376397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6536378447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269271 + ... + 292539.

It is an arithmetic number, because the mean of its divisors is an integer number (333272940).

Almost surely, 2^6536378445 is an apocalyptic number.

It is an amenable number.

6536378445 is a deficient number, since it is larger than the sum of its proper divisors (4128355635).

6536378445 is a wasteful number, since it uses less digits than its factorization.

6536378445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23645.

The product of its digits is 7257600, while the sum is 51.

The square root of 6536378445 is about 80847.8722354522. The cubic root of 6536378445 is about 1869.7307175137.

The spelling of 6536378445 in words is "six billion, five hundred thirty-six million, three hundred seventy-eight thousand, four hundred forty-five".