6985447133471 has 12 divisors (see below), whose sum is σ = 7069146025032. Its totient is φ = 6902726871744.

The previous prime is 6985447133407. The next prime is 6985447133477. The reversal of 6985447133471 is 1743317445896.

It is not a de Polignac number, because 6985447133471 - 2⁶ = 6985447133407 is a prime.

It is a super-3 number, since 3×6985447133471³ (a number of 40 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985447133477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12697316 + ... + 13236038.

It is an arithmetic number, because the mean of its divisors is an integer number (589095502086).

Almost surely, 2^{6985447133471} is an apocalyptic number.

6985447133471 is a deficient number, since it is larger than the sum of its proper divisors (83698891561).

6985447133471 is an equidigital number, since it uses as much as digits as its factorization.

6985447133471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540538 (or 540449 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 62.

The spelling of 6985447133471 in words is "six trillion, nine hundred eighty-five billion, four hundred forty-seven million, one hundred thirty-three thousand, four hundred seventy-one".