63316428242 has 4 divisors (see below), whose sum is σ = 94974642366. Its totient is φ = 31658214120.

The previous prime is 63316428223. The next prime is 63316428281. The reversal of 63316428242 is 24282461336.

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., 57557287921 + 5759140321 = 239911^2 + 75889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63316428242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15829107059 + ... + 15829107062.

Almost surely, 2^63316428242 is an apocalyptic number.

63316428242 is a deficient number, since it is larger than the sum of its proper divisors (31658214124).

63316428242 is a wasteful number, since it uses less digits than its factorization.

63316428242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31658214123.

The product of its digits is 331776, while the sum is 41.

Adding to 63316428242 its reverse (24282461336), we get a palindrome (87598889578).

The spelling of 63316428242 in words is "sixty-three billion, three hundred sixteen million, four hundred twenty-eight thousand, two hundred forty-two".