636424746267 has 16 divisors (see below), whose sum is σ = 873161146368. Its totient is φ = 412078566720.

The previous prime is 636424746253. The next prime is 636424746281. The reversal of 636424746267 is 762647424636.

It is an interprime number because it is at equal distance from previous prime (636424746253) and next prime (636424746281).

It is not a de Polignac number, because 636424746267 - 2¹⁴ = 636424729883 is a prime.

It is a super-2 number, since 2×636424746267² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (636424746227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11573883 + ... + 11628740.

It is an arithmetic number, because the mean of its divisors is an integer number (54572571648).

Almost surely, 2^636424746267 is an apocalyptic number.

636424746267 is a deficient number, since it is larger than the sum of its proper divisors (236736400101).

636424746267 is a wasteful number, since it uses less digits than its factorization.

636424746267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23202890.

The product of its digits is 48771072, while the sum is 57.

The spelling of 636424746267 in words is "six hundred thirty-six billion, four hundred twenty-four million, seven hundred forty-six thousand, two hundred sixty-seven".