531866484942 has 16 divisors (see below), whose sum is σ = 1145558583120. Its totient is φ = 163651226112.

The previous prime is 531866484887. The next prime is 531866484953. The reversal of 531866484942 is 249484668135.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3409400467 + ... + 3409400622.

It is an arithmetic number, because the mean of its divisors is an integer number (71597411445).

Almost surely, 2^531866484942 is an apocalyptic number.

531866484942 is an abundant number, since it is smaller than the sum of its proper divisors (613692098178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531866484942 is a wasteful number, since it uses less digits than its factorization.

531866484942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818801107.

The product of its digits is 39813120, while the sum is 60.

The spelling of 531866484942 in words is "five hundred thirty-one billion, eight hundred sixty-six million, four hundred eighty-four thousand, nine hundred forty-two".