6813061671 has 16 divisors (see below), whose sum is σ = 9784444544. Its totient is φ = 4191973344.

The previous prime is 6813061657. The next prime is 6813061747. The reversal of 6813061671 is 1761603186.

It is not a de Polignac number, because 6813061671 - 2⁹ = 6813061159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813061631) 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, 343980 + ... + 363246.

It is an arithmetic number, because the mean of its divisors is an integer number (611527784).

Almost surely, 2^6813061671 is an apocalyptic number.

6813061671 is a deficient number, since it is larger than the sum of its proper divisors (2971382873).

6813061671 is a wasteful number, since it uses less digits than its factorization.

6813061671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28350.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 6813061671 is about 82541.2725307770. The cubic root of 6813061671 is about 1895.7487285293.

The spelling of 6813061671 in words is "six billion, eight hundred thirteen million, sixty-one thousand, six hundred seventy-one".