63650633554243 has 4 divisors (see below), whose sum is σ = 63650679551680. Its totient is φ = 63650587556808.

The previous prime is 63650633554231. The next prime is 63650633554267. The reversal of 63650633554243 is 34245533605636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63650633554243 - 2³⁷ = 63513194600771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63650633554043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20856528 + ... + 23712781.

It is an arithmetic number, because the mean of its divisors is an integer number (15912669887920).

Almost surely, 2^{63650633554243} is an apocalyptic number.

63650633554243 is a deficient number, since it is larger than the sum of its proper divisors (45997437).

63650633554243 is a wasteful number, since it uses less digits than its factorization.

63650633554243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45997436.

The product of its (nonzero) digits is 69984000, while the sum is 55.

The spelling of 63650633554243 in words is "sixty-three trillion, six hundred fifty billion, six hundred thirty-three million, five hundred fifty-four thousand, two hundred forty-three".