63648061248438 has 16 divisors (see below), whose sum is σ = 141440136107760. Its totient is φ = 21216020416128.

The previous prime is 63648061248427. The next prime is 63648061248451. The reversal of 63648061248438 is 83484216084636.

63648061248438 is a `hidden beast` number, since 6 + 3 + 6 + 4 + 8 + 0 + 612 + 4 + 8 + 4 + 3 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589333900395 + ... + 589333900502.

It is an arithmetic number, because the mean of its divisors is an integer number (8840008506735).

Almost surely, 2^{63648061248438} is an apocalyptic number.

63648061248438 is an abundant number, since it is smaller than the sum of its proper divisors (77792074859322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63648061248438 is a wasteful number, since it uses less digits than its factorization.

63648061248438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178667800908 (or 1178667800902 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 63.

The spelling of 63648061248438 in words is "sixty-three trillion, six hundred forty-eight billion, sixty-one million, two hundred forty-eight thousand, four hundred thirty-eight".