531417064871 has 32 divisors (see below), whose sum is σ = 695492517888. Its totient is φ = 393715254240.

The previous prime is 531417064847. The next prime is 531417064883. The reversal of 531417064871 is 178460714135.

It is not a de Polignac number, because 531417064871 - 2³⁰ = 530343323047 is a prime.

It is a super-2 number, since 2×531417064871² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531417064571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602645 + ... + 1194158.

It is an arithmetic number, because the mean of its divisors is an integer number (21734141184).

Almost surely, 2^531417064871 is an apocalyptic number.

531417064871 is a deficient number, since it is larger than the sum of its proper divisors (164075453017).

531417064871 is a wasteful number, since it uses less digits than its factorization.

531417064871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797011.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 531417064871 in words is "five hundred thirty-one billion, four hundred seventeen million, sixty-four thousand, eight hundred seventy-one".