6441917713 has 16 divisors (see below), whose sum is σ = 8202369024. Its totient is φ = 4912871760.

The previous prime is 6441917687. The next prime is 6441917723. The reversal of 6441917713 is 3177191446.

It is a cyclic number.

It is not a de Polignac number, because 6441917713 - 2⁹ = 6441917201 is a prime.

It is a super-3 number, since 3×6441917713³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6441917713.

It is not an unprimeable number, because it can be changed into a prime (6441917723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886395 + ... + 893632.

It is an arithmetic number, because the mean of its divisors is an integer number (512648064).

Almost surely, 2^6441917713 is an apocalyptic number.

It is an amenable number.

6441917713 is a deficient number, since it is larger than the sum of its proper divisors (1760451311).

6441917713 is a wasteful number, since it uses less digits than its factorization.

6441917713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780092.

The product of its digits is 127008, while the sum is 43.

The square root of 6441917713 is about 80261.5581271632. The cubic root of 6441917713 is about 1860.6801490887.

The spelling of 6441917713 in words is "six billion, four hundred forty-one million, nine hundred seventeen thousand, seven hundred thirteen".