6411479005447 has 8 divisors (see below), whose sum is σ = 6436419010560. Its totient is φ = 6386543256600.

The previous prime is 6411479005441. The next prime is 6411479005469. The reversal of 6411479005447 is 7445009741146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6411479005447 is a prime.

It is a super-3 number, since 3×6411479005447³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6411479005394 and 6411479005403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411479005441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971322 + ... + 4087672.

It is an arithmetic number, because the mean of its divisors is an integer number (804552376320).

Almost surely, 2^{6411479005447} is an apocalyptic number.

6411479005447 is a deficient number, since it is larger than the sum of its proper divisors (24940005113).

6411479005447 is a wasteful number, since it uses less digits than its factorization.

6411479005447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128133.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 6411479005447 in words is "six trillion, four hundred eleven billion, four hundred seventy-nine million, five thousand, four hundred forty-seven".