6414444641 has 16 divisors (see below), whose sum is σ = 7412948928. Its totient is φ = 5485516800.

The previous prime is 6414444601. The next prime is 6414444649. The reversal of 6414444641 is 1464444146.

It is a cyclic number.

It is not a de Polignac number, because 6414444641 - 2¹⁸ = 6414182497 is a prime.

It is a super-2 number, since 2×6414444641² = 82290200104907237762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6414444595 and 6414444604.

It is not an unprimeable number, because it can be changed into a prime (6414444649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417506 + ... + 432596.

It is an arithmetic number, because the mean of its divisors is an integer number (463309308).

Almost surely, 2^6414444641 is an apocalyptic number.

It is an amenable number.

6414444641 is a deficient number, since it is larger than the sum of its proper divisors (998504287).

6414444641 is a wasteful number, since it uses less digits than its factorization.

6414444641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17392.

The product of its digits is 147456, while the sum is 38.

The square root of 6414444641 is about 80090.2281242849. The cubic root of 6414444641 is about 1858.0312773425.

Adding to 6414444641 its reverse (1464444146), we get a palindrome (7878888787).

The spelling of 6414444641 in words is "six billion, four hundred fourteen million, four hundred forty-four thousand, six hundred forty-one".