63703741172273 has 4 divisors (see below), whose sum is σ = 64205345433600. Its totient is φ = 63202136910948.

The previous prime is 63703741172263. The next prime is 63703741172287. The reversal of 63703741172273 is 37227114730736.

63703741172273 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 a de Polignac number, because none of the positive numbers 2^k-63703741172273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63703741172263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250802130473 + ... + 250802130726.

It is an arithmetic number, because the mean of its divisors is an integer number (16051336358400).

Almost surely, 2^{63703741172273} is an apocalyptic number.

It is an amenable number.

63703741172273 is a deficient number, since it is larger than the sum of its proper divisors (501604261327).

63703741172273 is a wasteful number, since it uses less digits than its factorization.

63703741172273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501604261326.

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 63703741172273 in words is "sixty-three trillion, seven hundred three billion, seven hundred forty-one million, one hundred seventy-two thousand, two hundred seventy-three".