63933836242 has 8 divisors (see below), whose sum is σ = 96203281356. Its totient is φ = 31866075792.

The previous prime is 63933836233. The next prime is 63933836303. The reversal of 63933836242 is 24263833936.

It can be written as a sum of positive squares in 2 ways, for example, as 40075635721 + 23858200521 = 200189^2 + 154461^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50420373 + ... + 50421640.

Almost surely, 2^63933836242 is an apocalyptic number.

63933836242 is a deficient number, since it is larger than the sum of its proper divisors (32269445114).

63933836242 is a wasteful number, since it uses less digits than its factorization.

63933836242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100842332.

The product of its digits is 3359232, while the sum is 49.

The spelling of 63933836242 in words is "sixty-three billion, nine hundred thirty-three million, eight hundred thirty-six thousand, two hundred forty-two".