6537635545 has 16 divisors (see below), whose sum is σ = 8968412160. Its totient is φ = 4481694144.

The previous prime is 6537635543. The next prime is 6537635569. The reversal of 6537635545 is 5455367356.

It is a cyclic number.

It is not a de Polignac number, because 6537635545 - 2¹ = 6537635543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6537635543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110616 + ... + 159094.

It is an arithmetic number, because the mean of its divisors is an integer number (560525760).

Almost surely, 2^6537635545 is an apocalyptic number.

It is an amenable number.

6537635545 is a deficient number, since it is larger than the sum of its proper divisors (2430776615).

6537635545 is a wasteful number, since it uses less digits than its factorization.

6537635545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52344.

The product of its digits is 5670000, while the sum is 49.

The square root of 6537635545 is about 80855.6463396342. The cubic root of 6537635545 is about 1869.8505742937.

The spelling of 6537635545 in words is "six billion, five hundred thirty-seven million, six hundred thirty-five thousand, five hundred forty-five".