63633213145 has 32 divisors (see below), whose sum is σ = 83563508736. Its totient is φ = 46308864000.

The previous prime is 63633213131. The next prime is 63633213151. The reversal of 63633213145 is 54131233636.

It is not a de Polignac number, because 63633213145 - 2¹⁹ = 63632688857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2164545 + ... + 2193745.

It is an arithmetic number, because the mean of its divisors is an integer number (2611359648).

Almost surely, 2^63633213145 is an apocalyptic number.

It is an amenable number.

63633213145 is a deficient number, since it is larger than the sum of its proper divisors (19930295591).

63633213145 is a wasteful number, since it uses less digits than its factorization.

63633213145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30081.

The product of its digits is 116640, while the sum is 37.

The spelling of 63633213145 in words is "sixty-three billion, six hundred thirty-three million, two hundred thirteen thousand, one hundred forty-five".