63748336441 has 8 divisors (see below), whose sum is σ = 63812680904. Its totient is φ = 63684023040.

The previous prime is 63748336429. The next prime is 63748336511. The reversal of 63748336441 is 14463384736.

It can be written as a sum of positive squares in 4 ways, for example, as 9740900416 + 54007436025 = 98696^2 + 232395^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 63748336441 - 2³⁵ = 29388598073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63748336541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6761911 + ... + 6771331.

It is an arithmetic number, because the mean of its divisors is an integer number (7976585113).

Almost surely, 2^63748336441 is an apocalyptic number.

It is an amenable number.

63748336441 is a deficient number, since it is larger than the sum of its proper divisors (64344463).

63748336441 is a wasteful number, since it uses less digits than its factorization.

63748336441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15531.

The product of its digits is 3483648, while the sum is 49.

The spelling of 63748336441 in words is "sixty-three billion, seven hundred forty-eight million, three hundred thirty-six thousand, four hundred forty-one".