636301531045 has 64 divisors (see below), whose sum is σ = 825363302400. Its totient is φ = 470045255680.

The previous prime is 636301531039. The next prime is 636301531079. The reversal of 636301531045 is 540135103636.

It is a happy number.

It is not a de Polignac number, because 636301531045 - 2⁹ = 636301530533 is a prime.

It is a super-2 number, since 2×636301531045² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 636301530995 and 636301531013.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 48554964 + ... + 48568066.

It is an arithmetic number, because the mean of its divisors is an integer number (12896301600).

Almost surely, 2^636301531045 is an apocalyptic number.

It is an amenable number.

636301531045 is a deficient number, since it is larger than the sum of its proper divisors (189061771355).

636301531045 is a wasteful number, since it uses less digits than its factorization.

636301531045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13350.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 636301531045 in words is "six hundred thirty-six billion, three hundred one million, five hundred thirty-one thousand, forty-five".