6544153349632 has 40 divisors (see below), whose sum is σ = 13081280016816. Its totient is φ = 3270636552192.

The previous prime is 6544153349603. The next prime is 6544153349639. The reversal of 6544153349632 is 2369433514456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544153349639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647828 + ... + 3975379.

Almost surely, 2^{6544153349632} is an apocalyptic number.

It is an amenable number.

6544153349632 is a deficient number, since it is larger than the sum of its proper divisors (6537126667184).

6544153349632 is an equidigital number, since it uses as much as digits as its factorization.

6544153349632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625498 (or 5625482 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 55.

The spelling of 6544153349632 in words is "six trillion, five hundred forty-four billion, one hundred fifty-three million, three hundred forty-nine thousand, six hundred thirty-two".