63066633641 has 4 divisors (see below), whose sum is σ = 68799963984. Its totient is φ = 57333303300.

The previous prime is 63066633631. The next prime is 63066633649. The reversal of 63066633641 is 14633666036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63066633641 - 2¹⁰ = 63066632617 is a prime.

It is a super-2 number, since 2×63066633641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63066633592 and 63066633601.

It is not an unprimeable number, because it can be changed into a prime (63066633649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2866665155 + ... + 2866665176.

It is an arithmetic number, because the mean of its divisors is an integer number (17199990996).

Almost surely, 2^63066633641 is an apocalyptic number.

It is an amenable number.

63066633641 is a deficient number, since it is larger than the sum of its proper divisors (5733330343).

63066633641 is a wasteful number, since it uses less digits than its factorization.

63066633641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733330342.

The product of its (nonzero) digits is 839808, while the sum is 44.

The spelling of 63066633641 in words is "sixty-three billion, sixty-six million, six hundred thirty-three thousand, six hundred forty-one".