671530436471 has 2 divisors, whose sum is σ = 671530436472. Its totient is φ = 671530436470.

The previous prime is 671530436459. The next prime is 671530436483. The reversal of 671530436471 is 174634035176.

It is a balanced prime because it is at equal distance from previous prime (671530436459) and next prime (671530436483).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671530436471 is a prime.

It is a super-3 number, since 3×671530436471³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671530430471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335765218235 + 335765218236.

It is an arithmetic number, because the mean of its divisors is an integer number (335765218236).

Almost surely, 2^671530436471 is an apocalyptic number.

671530436471 is a deficient number, since it is larger than the sum of its proper divisors (1).

671530436471 is an equidigital number, since it uses as much as digits as its factorization.

671530436471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 671530436471 in words is "six hundred seventy-one billion, five hundred thirty million, four hundred thirty-six thousand, four hundred seventy-one".