63609055356 has 48 divisors (see below), whose sum is σ = 185044527360. Its totient is φ = 16521832320.

The previous prime is 63609055297. The next prime is 63609055357. The reversal of 63609055356 is 65355090636.

It is a super-2 number, since 2×63609055356² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63609055357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34419561 + ... + 34421408.

It is an arithmetic number, because the mean of its divisors is an integer number (3855094320).

Almost surely, 2^63609055356 is an apocalyptic number.

63609055356 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

63609055356 is an abundant number, since it is smaller than the sum of its proper divisors (121435472004).

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

63609055356 is a wasteful number, since it uses less digits than its factorization.

63609055356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68840994 (or 68840992 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 48.

The spelling of 63609055356 in words is "sixty-three billion, six hundred nine million, fifty-five thousand, three hundred fifty-six".