6531960671 has 2 divisors, whose sum is σ = 6531960672. Its totient is φ = 6531960670.

The previous prime is 6531960641. The next prime is 6531960683. The reversal of 6531960671 is 1760691356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6531960671 - 2⁶ = 6531960607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6531960641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3265980335 + 3265980336.

It is an arithmetic number, because the mean of its divisors is an integer number (3265980336).

Almost surely, 2^6531960671 is an apocalyptic number.

6531960671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6531960671 is an equidigital number, since it uses as much as digits as its factorization.

6531960671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 6531960671 is about 80820.5460944183. The cubic root of 6531960671 is about 1869.3093879024.

The spelling of 6531960671 in words is "six billion, five hundred thirty-one million, nine hundred sixty thousand, six hundred seventy-one".