6541571364 has 12 divisors (see below), whose sum is σ = 15263666544. Its totient is φ = 2180523784.

The previous prime is 6541571363. The next prime is 6541571401. The reversal of 6541571364 is 4631751456.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (6541571363) 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, 272565462 + ... + 272565485.

It is an arithmetic number, because the mean of its divisors is an integer number (1271972212).

Almost surely, 2^6541571364 is an apocalyptic number.

It is an amenable number.

6541571364 is an abundant number, since it is smaller than the sum of its proper divisors (8722095180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6541571364 is a wasteful number, since it uses less digits than its factorization.

6541571364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545130954 (or 545130952 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 6541571364 is about 80879.9812314518. The cubic root of 6541571364 is about 1870.2257311841.

The spelling of 6541571364 in words is "six billion, five hundred forty-one million, five hundred seventy-one thousand, three hundred sixty-four".