63650805636 has 216 divisors, whose sum is σ = 171998749440. Its totient is φ = 18304570240.

The previous prime is 63650805623. The next prime is 63650805649.

63650805636 is nontrivially palindromic in base 10.

63650805636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63650805623) and next prime (63650805649).

It is a super-2 number, since 2×63650805636² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 132882445 + ... + 132882923.

Almost surely, 2^63650805636 is an apocalyptic number.

63650805636 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63650805636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85999374720).

63650805636 is an abundant number, since it is smaller than the sum of its proper divisors (108347943804).

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

63650805636 is a wasteful number, since it uses less digits than its factorization.

63650805636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 63650805636 in words is "sixty-three billion, six hundred fifty million, eight hundred five thousand, six hundred thirty-six".