63147343503 has 16 divisors (see below), whose sum is σ = 84975749600. Its totient is φ = 41710121856.

The previous prime is 63147343451. The next prime is 63147343549. The reversal of 63147343503 is 30534374136.

It is not a de Polignac number, because 63147343503 - 2²⁰ = 63146294927 is a prime.

It is a super-2 number, since 2×63147343503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63147343583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27700 + ... + 356457.

It is an arithmetic number, because the mean of its divisors is an integer number (5310984350).

Almost surely, 2^63147343503 is an apocalyptic number.

63147343503 is a deficient number, since it is larger than the sum of its proper divisors (21828406097).

63147343503 is a wasteful number, since it uses less digits than its factorization.

63147343503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384666.

The product of its (nonzero) digits is 272160, while the sum is 39.

The spelling of 63147343503 in words is "sixty-three billion, one hundred forty-seven million, three hundred forty-three thousand, five hundred three".