63481921741 has 4 divisors (see below), whose sum is σ = 72550767712. Its totient is φ = 54413075772.

The previous prime is 63481921729. The next prime is 63481921751. The reversal of 63481921741 is 14712918436.

63481921741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63481921741 - 2⁵ = 63481921709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63481921691 and 63481921700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63481921721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4534422975 + ... + 4534422988.

It is an arithmetic number, because the mean of its divisors is an integer number (18137691928).

Almost surely, 2^63481921741 is an apocalyptic number.

It is an amenable number.

63481921741 is a deficient number, since it is larger than the sum of its proper divisors (9068845971).

63481921741 is an equidigital number, since it uses as much as digits as its factorization.

63481921741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068845970.

The product of its digits is 290304, while the sum is 46.

The spelling of 63481921741 in words is "sixty-three billion, four hundred eighty-one million, nine hundred twenty-one thousand, seven hundred forty-one".