6544153545 has 16 divisors (see below), whose sum is σ = 10925891712. Its totient is φ = 3338466560.

The previous prime is 6544153529. The next prime is 6544153631. The reversal of 6544153545 is 5453514456.

It is not a de Polignac number, because 6544153545 - 2⁴ = 6544153529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6544153497 and 6544153506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9483936 + ... + 9484625.

It is an arithmetic number, because the mean of its divisors is an integer number (682868232).

Almost surely, 2^6544153545 is an apocalyptic number.

It is an amenable number.

6544153545 is a deficient number, since it is larger than the sum of its proper divisors (4381738167).

6544153545 is a wasteful number, since it uses less digits than its factorization.

6544153545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18968592.

The product of its digits is 720000, while the sum is 42.

The square root of 6544153545 is about 80895.9426980117. The cubic root of 6544153545 is about 1870.4717794089.

The spelling of 6544153545 in words is "six billion, five hundred forty-four million, one hundred fifty-three thousand, five hundred forty-five".