537133471605 has 48 divisors (see below), whose sum is σ = 987955650864. Its totient is φ = 269029785600.

The previous prime is 537133471603. The next prime is 537133471613. The reversal of 537133471605 is 506174331735.

537133471605 is a `hidden beast` number, since 5 + 3 + 7 + 1 + 3 + 34 + 7 + 1 + 605 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 45028415601 + 492105056004 = 212199^2 + 701502^2 .

It is not a de Polignac number, because 537133471605 - 2¹ = 537133471603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537133471601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 418596 + ... + 1117805.

It is an arithmetic number, because the mean of its divisors is an integer number (20582409393).

Almost surely, 2^537133471605 is an apocalyptic number.

It is an amenable number.

537133471605 is a deficient number, since it is larger than the sum of its proper divisors (450822179259).

537133471605 is a wasteful number, since it uses less digits than its factorization.

537133471605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536886 (or 1536883 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 537133471605 in words is "five hundred thirty-seven billion, one hundred thirty-three million, four hundred seventy-one thousand, six hundred five".