537606758385 has 24 divisors (see below), whose sum is σ = 937000080744. Its totient is φ = 285139491840.

The previous prime is 537606758383. The next prime is 537606758413. The reversal of 537606758385 is 583857606735.

It is a happy number.

537606758385 is a `hidden beast` number, since 537 + 6 + 0 + 67 + 5 + 8 + 38 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 820478736 + 536786279649 = 28644^2 + 732657^2 .

It is not a de Polignac number, because 537606758385 - 2¹ = 537606758383 is a prime.

It is a super-2 number, since 2×537606758385² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537606758383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32994112 + ... + 33010401.

It is an arithmetic number, because the mean of its divisors is an integer number (39041670031).

Almost surely, 2^537606758385 is an apocalyptic number.

It is an amenable number.

537606758385 is a deficient number, since it is larger than the sum of its proper divisors (399393322359).

537606758385 is a wasteful number, since it uses less digits than its factorization.

537606758385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66004705 (or 66004702 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 63.

The spelling of 537606758385 in words is "five hundred thirty-seven billion, six hundred six million, seven hundred fifty-eight thousand, three hundred eighty-five".