531689527380 has 96 divisors (see below), whose sum is σ = 1631767269888. Its totient is φ = 128283523200.

The previous prime is 531689527363. The next prime is 531689527409. The reversal of 531689527380 is 83725986135.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 531689527380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1769722 + ... + 2048241.

It is an arithmetic number, because the mean of its divisors is an integer number (16997575728).

Almost surely, 2^531689527380 is an apocalyptic number.

It is an amenable number.

531689527380 is an abundant number, since it is smaller than the sum of its proper divisors (1100077742508).

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

531689527380 is a wasteful number, since it uses less digits than its factorization.

531689527380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818197 (or 3818195 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 531689527380 in words is "five hundred thirty-one billion, six hundred eighty-nine million, five hundred twenty-seven thousand, three hundred eighty".