538741632064 has 28 divisors (see below), whose sum is σ = 1076868840924. Its totient is φ = 267404601344.

The previous prime is 538741632049. The next prime is 538741632103. The reversal of 538741632064 is 460236147835.

It can be written as a sum of positive squares in 2 ways, for example, as 242378982400 + 296362649664 = 492320^2 + 544392^2 .

It is a super-2 number, since 2×538741632064² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 538741631999 and 538741632017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30713269 + ... + 30730804.

Almost surely, 2^538741632064 is an apocalyptic number.

It is an amenable number.

538741632064 is a deficient number, since it is larger than the sum of its proper divisors (538127208860).

538741632064 is a wasteful number, since it uses less digits than its factorization.

538741632064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61444222 (or 61444212 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

Adding to 538741632064 its reverse (460236147835), we get a palindrome (998977779899).

The spelling of 538741632064 in words is "five hundred thirty-eight billion, seven hundred forty-one million, six hundred thirty-two thousand, sixty-four".