6544049141 has 32 divisors (see below), whose sum is σ = 8134748160. Its totient is φ = 5138738496.

The previous prime is 6544049137. The next prime is 6544049153. The reversal of 6544049141 is 1419404456.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6544049141 - 2² = 6544049137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6544049095 and 6544049104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6544049101) 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, 817826 + ... + 825788.

It is an arithmetic number, because the mean of its divisors is an integer number (254210880).

Almost surely, 2^6544049141 is an apocalyptic number.

It is an amenable number.

6544049141 is a deficient number, since it is larger than the sum of its proper divisors (1590699019).

6544049141 is a wasteful number, since it uses less digits than its factorization.

6544049141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 6544049141 is about 80895.2973973148. The cubic root of 6544049141 is about 1870.4618323229.

The spelling of 6544049141 in words is "six billion, five hundred forty-four million, forty-nine thousand, one hundred forty-one".