63506034847 has 4 divisors (see below), whose sum is σ = 63682932240. Its totient is φ = 63329137456.

The previous prime is 63506034793. The next prime is 63506034961. The reversal of 63506034847 is 74843060536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63506034847 - 2¹⁹ = 63505510559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63506034797 and 63506034806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63506034247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88448158 + ... + 88448875.

It is an arithmetic number, because the mean of its divisors is an integer number (15920733060).

Almost surely, 2^63506034847 is an apocalyptic number.

63506034847 is a deficient number, since it is larger than the sum of its proper divisors (176897393).

63506034847 is a wasteful number, since it uses less digits than its factorization.

63506034847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176897392.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 63506034847 in words is "sixty-three billion, five hundred six million, thirty-four thousand, eight hundred forty-seven".