536234131638 has 64 divisors (see below), whose sum is σ = 1261863645120. Its totient is φ = 168212146176.

The previous prime is 536234131597. The next prime is 536234131639. The reversal of 536234131638 is 836131432635.

It is a happy number.

536234131638 is a `hidden beast` number, since 5 + 3 + 6 + 2 + 3 + 4 + 1 + 3 + 1 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 536234131593 and 536234131602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536234131639) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10322706 + ... + 10374522.

It is an arithmetic number, because the mean of its divisors is an integer number (19716619455).

Almost surely, 2^536234131638 is an apocalyptic number.

536234131638 is an abundant number, since it is smaller than the sum of its proper divisors (725629513482).

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

536234131638 is a wasteful number, since it uses less digits than its factorization.

536234131638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63118 (or 63112 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 536234131638 in words is "five hundred thirty-six billion, two hundred thirty-four million, one hundred thirty-one thousand, six hundred thirty-eight".