63255922042 has 4 divisors (see below), whose sum is σ = 94883883066. Its totient is φ = 31627961020.

The previous prime is 63255922031. The next prime is 63255922049. The reversal of 63255922042 is 24022955236.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 63221570721 + 34351321 = 251439^2 + 5861^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 63255921986 and 63255922004.

It is not an unprimeable number, because it can be changed into a prime (63255922049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15813980509 + ... + 15813980512.

Almost surely, 2^63255922042 is an apocalyptic number.

63255922042 is a deficient number, since it is larger than the sum of its proper divisors (31627961024).

63255922042 is a wasteful number, since it uses less digits than its factorization.

63255922042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31627961023.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 63255922042 in words is "sixty-three billion, two hundred fifty-five million, nine hundred twenty-two thousand, forty-two".