63571047903 has 12 divisors (see below), whose sum is σ = 100172560488. Its totient is φ = 38527907760.

The previous prime is 63571047887. The next prime is 63571047923. The reversal of 63571047903 is 30974017536.

63571047903 is a `hidden beast` number, since 6 + 3 + 571 + 0 + 4 + 79 + 0 + 3 = 666.

It is not a de Polignac number, because 63571047903 - 2⁴ = 63571047887 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63571047923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321065800 + ... + 321065997.

It is an arithmetic number, because the mean of its divisors is an integer number (8347713374).

Almost surely, 2^63571047903 is an apocalyptic number.

63571047903 is a deficient number, since it is larger than the sum of its proper divisors (36601512585).

63571047903 is a wasteful number, since it uses less digits than its factorization.

63571047903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642131814 (or 642131811 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The spelling of 63571047903 in words is "sixty-three billion, five hundred seventy-one million, forty-seven thousand, nine hundred three".