6214440561 has 64 divisors (see below), whose sum is σ = 10488145920. Its totient is φ = 3193136640.

The previous prime is 6214440527. The next prime is 6214440563. The reversal of 6214440561 is 1650444126.

It is not a de Polignac number, because 6214440561 - 2¹⁰ = 6214439537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6214440563) 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 63 ways as a sum of consecutive naturals, for example, 600150 + ... + 610416.

It is an arithmetic number, because the mean of its divisors is an integer number (163877280).

Almost surely, 2^6214440561 is an apocalyptic number.

It is an amenable number.

6214440561 is a deficient number, since it is larger than the sum of its proper divisors (4273705359).

6214440561 is a wasteful number, since it uses less digits than its factorization.

6214440561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10374.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 6214440561 is about 78831.7230624829. The cubic root of 6214440561 is about 1838.5157139187.

Adding to 6214440561 its reverse (1650444126), we get a palindrome (7864884687).

The spelling of 6214440561 in words is "six billion, two hundred fourteen million, four hundred forty thousand, five hundred sixty-one".