63253317903 has 8 divisors (see below), whose sum is σ = 84345390768. Its totient is φ = 42165061824.

The previous prime is 63253317887. The next prime is 63253317923. The reversal of 63253317903 is 30971335236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63253317903 - 2⁴ = 63253317887 is a prime.

It is a super-3 number, since 3×63253317903³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63253317923) 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 7 ways as a sum of consecutive naturals, for example, 915300 + ... + 981977.

It is an arithmetic number, because the mean of its divisors is an integer number (10543173846).

Almost surely, 2^63253317903 is an apocalyptic number.

63253317903 is a deficient number, since it is larger than the sum of its proper divisors (21092072865).

63253317903 is a wasteful number, since it uses less digits than its factorization.

63253317903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908393.

The product of its (nonzero) digits is 306180, while the sum is 42.

The spelling of 63253317903 in words is "sixty-three billion, two hundred fifty-three million, three hundred seventeen thousand, nine hundred three".