63449687223 has 24 divisors (see below), whose sum is σ = 99361953600. Its totient is φ = 38783897280.

The previous prime is 63449687209. The next prime is 63449687263. The reversal of 63449687223 is 32278694436.

63449687223 is a `hidden beast` number, since 63 + 4 + 496 + 8 + 72 + 23 = 666.

It is not a de Polignac number, because 63449687223 - 2⁸ = 63449686967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63449687223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63449687263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1802383 + ... + 1837248.

It is an arithmetic number, because the mean of its divisors is an integer number (4140081400).

Almost surely, 2^63449687223 is an apocalyptic number.

63449687223 is a deficient number, since it is larger than the sum of its proper divisors (35912266377).

63449687223 is a wasteful number, since it uses less digits than its factorization.

63449687223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639799 (or 3639796 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 63449687223 in words is "sixty-three billion, four hundred forty-nine million, six hundred eighty-seven thousand, two hundred twenty-three".