63165204441 has 6 divisors (see below), whose sum is σ = 91238628650. Its totient is φ = 42110136288.

The previous prime is 63165204407. The next prime is 63165204469. The reversal of 63165204441 is 14440256136.

63165204441 is a `hidden beast` number, since 6 + 3 + 1 + 6 + 5 + 204 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55415043216 + 7750161225 = 235404^2 + 88035^2 .

It is not a de Polignac number, because 63165204441 - 2⁹ = 63165203929 is a prime.

It is a super-2 number, since 2×63165204441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63165204396 and 63165204405.

It is not an unprimeable number, because it can be changed into a prime (63165204491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3509178016 + ... + 3509178033.

Almost surely, 2^63165204441 is an apocalyptic number.

It is an amenable number.

63165204441 is a deficient number, since it is larger than the sum of its proper divisors (28073424209).

63165204441 is a wasteful number, since it uses less digits than its factorization.

63165204441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018356055 (or 7018356052 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 63165204441 in words is "sixty-three billion, one hundred sixty-five million, two hundred four thousand, four hundred forty-one".