537521339244 has 12 divisors (see below), whose sum is σ = 1254216458264. Its totient is φ = 179173779744.

The previous prime is 537521339221. The next prime is 537521339261. The reversal of 537521339244 is 442933125735.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 537521339193 and 537521339202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22396722457 + ... + 22396722480.

Almost surely, 2^537521339244 is an apocalyptic number.

It is an amenable number.

537521339244 is an abundant number, since it is smaller than the sum of its proper divisors (716695119020).

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

537521339244 is a wasteful number, since it uses less digits than its factorization.

537521339244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44793444944 (or 44793444942 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 48.

The spelling of 537521339244 in words is "five hundred thirty-seven billion, five hundred twenty-one million, three hundred thirty-nine thousand, two hundred forty-four".