63427918802 has 4 divisors (see below), whose sum is σ = 95141878206. Its totient is φ = 31713959400.

The previous prime is 63427918787. The next prime is 63427918847. The reversal of 63427918802 is 20881972436.

It is a Cunningham number, because it is equal to 251849²+1.

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., 63427918801 + 1 = 251849^2 + 1^2 .

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 as a sum of consecutive naturals, namely, 15856979699 + ... + 15856979702.

Almost surely, 2^63427918802 is an apocalyptic number.

63427918802 is a deficient number, since it is larger than the sum of its proper divisors (31713959404).

63427918802 is a wasteful number, since it uses less digits than its factorization.

63427918802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31713959403.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 63427918802 in words is "sixty-three billion, four hundred twenty-seven million, nine hundred eighteen thousand, eight hundred two".