636081283542 has 16 divisors (see below), whose sum is σ = 1313200069632. Its totient is φ = 205187510760.

The previous prime is 636081283499. The next prime is 636081283561. The reversal of 636081283542 is 245382180636.

It is a junction number, because it is equal to n+sod(n) for n = 636081283491 and 636081283500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709895738 + ... + 1709896109.

It is an arithmetic number, because the mean of its divisors is an integer number (82075004352).

Almost surely, 2^636081283542 is an apocalyptic number.

636081283542 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

636081283542 is an abundant number, since it is smaller than the sum of its proper divisors (677118786090).

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

636081283542 is a wasteful number, since it uses less digits than its factorization.

636081283542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419791883.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 636081283542 in words is "six hundred thirty-six billion, eighty-one million, two hundred eighty-three thousand, five hundred forty-two".