63436442 has 8 divisors (see below), whose sum is σ = 96950196. Its totient is φ = 31119712.

The previous prime is 63436433. The next prime is 63436501. The reversal of 63436442 is 24463436.

It can be written as a sum of positive squares in 2 ways, for example, as 62267881 + 1168561 = 7891^2 + 1081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 63436399 and 63436408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299123 + ... + 299334.

Almost surely, 2^63436442 is an apocalyptic number.

63436442 is a deficient number, since it is larger than the sum of its proper divisors (33513754).

63436442 is a wasteful number, since it uses less digits than its factorization.

63436442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598512.

The product of its digits is 41472, while the sum is 32.

The square root of 63436442 is about 7964.6997432421. The cubic root of 63436442 is about 398.8224577204.

Adding to 63436442 its reverse (24463436), we get a palindrome (87899878).

The spelling of 63436442 in words is "sixty-three million, four hundred thirty-six thousand, four hundred forty-two".