9500531412218 has 128 divisors (see below), whose sum is σ = 18963070672896. Its totient is φ = 3455944704000.

The previous prime is 9500531412193. The next prime is 9500531412259. The reversal of 9500531412218 is 8122141350059.

It is a super-2 number, since 2×9500531412218² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 219893018 + ... + 219936218.

It is an arithmetic number, because the mean of its divisors is an integer number (148148989632).

Almost surely, 2^{9500531412218} is an apocalyptic number.

9500531412218 is a deficient number, since it is larger than the sum of its proper divisors (9462539260678).

9500531412218 is a wasteful number, since it uses less digits than its factorization.

9500531412218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43908.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 9500531412218 in words is "nine trillion, five hundred billion, five hundred thirty-one million, four hundred twelve thousand, two hundred eighteen".