6471032647 has 2 divisors, whose sum is σ = 6471032648. Its totient is φ = 6471032646.

The previous prime is 6471032641. The next prime is 6471032657. The reversal of 6471032647 is 7462301746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6471032647 - 2³ = 6471032639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6471032641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235516323 + 3235516324.

It is an arithmetic number, because the mean of its divisors is an integer number (3235516324).

Almost surely, 2^6471032647 is an apocalyptic number.

6471032647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6471032647 is an equidigital number, since it uses as much as digits as its factorization.

6471032647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 6471032647 is about 80442.7289877712. The cubic root of 6471032647 is about 1863.4791173479.

The spelling of 6471032647 in words is "six billion, four hundred seventy-one million, thirty-two thousand, six hundred forty-seven".