63298744018 has 4 divisors (see below), whose sum is σ = 94948116030. Its totient is φ = 31649372008.

The previous prime is 63298744013. The next prime is 63298744043. The reversal of 63298744018 is 81044789236.

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., 56652092289 + 6646651729 = 238017^2 + 81527^2 .

It is not an unprimeable number, because it can be changed into a prime (63298744013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15824686003 + ... + 15824686006.

Almost surely, 2^63298744018 is an apocalyptic number.

63298744018 is a deficient number, since it is larger than the sum of its proper divisors (31649372012).

63298744018 is a wasteful number, since it uses less digits than its factorization.

63298744018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31649372011.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 63298744018 in words is "sixty-three billion, two hundred ninety-eight million, seven hundred forty-four thousand, eighteen".