63503248489 has 4 divisors (see below), whose sum is σ = 63504173124. Its totient is φ = 63502323856.

The previous prime is 63503248483. The next prime is 63503248547. The reversal of 63503248489 is 98484230536.

63503248489 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.

It can be written as a sum of positive squares in 2 ways, for example, as 11592182889 + 51911065600 = 107667^2 + 227840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63503248489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63503248483) 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, 350242 + ... + 499675.

It is an arithmetic number, because the mean of its divisors is an integer number (15876043281).

Almost surely, 2^63503248489 is an apocalyptic number.

It is an amenable number.

63503248489 is a deficient number, since it is larger than the sum of its proper divisors (924635).

63503248489 is an equidigital number, since it uses as much as digits as its factorization.

63503248489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924634.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 63503248489 in words is "sixty-three billion, five hundred three million, two hundred forty-eight thousand, four hundred eighty-nine".