636534483442 has 64 divisors (see below), whose sum is σ = 1191799526400. Its totient is φ = 250655791680.

The previous prime is 636534483433. The next prime is 636534483449. The reversal of 636534483442 is 244384435636.

It is a super-2 number, since 2×636534483442² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 636534483442.

It is not an unprimeable number, because it can be changed into a prime (636534483449) 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, 34059 + ... + 1128817.

It is an arithmetic number, because the mean of its divisors is an integer number (18621867600).

Almost surely, 2^636534483442 is an apocalyptic number.

636534483442 is a deficient number, since it is larger than the sum of its proper divisors (555265042958).

636534483442 is a wasteful number, since it uses less digits than its factorization.

636534483442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094911.

The product of its digits is 19906560, while the sum is 52.

The spelling of 636534483442 in words is "six hundred thirty-six billion, five hundred thirty-four million, four hundred eighty-three thousand, four hundred forty-two".