6685377041471 has 2 divisors, whose sum is σ = 6685377041472. Its totient is φ = 6685377041470.

The previous prime is 6685377041381. The next prime is 6685377041479. The reversal of 6685377041471 is 1741407735866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6685377041471 - 2¹⁴ = 6685377025087 is a prime.

It is a super-3 number, since 3×6685377041471³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6685377041471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6685377041479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3342688520735 + 3342688520736.

It is an arithmetic number, because the mean of its divisors is an integer number (3342688520736).

Almost surely, 2^{6685377041471} is an apocalyptic number.

6685377041471 is a deficient number, since it is larger than the sum of its proper divisors (1).

6685377041471 is an equidigital number, since it uses as much as digits as its factorization.

6685377041471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23708160, while the sum is 59.

The spelling of 6685377041471 in words is "six trillion, six hundred eighty-five billion, three hundred seventy-seven million, forty-one thousand, four hundred seventy-one".