63538163494 has 16 divisors (see below), whose sum is σ = 105412588848. Its totient is φ = 28532729952.

The previous prime is 63538163483. The next prime is 63538163501. The reversal of 63538163494 is 49436183536.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33023032 + ... + 33024955.

It is an arithmetic number, because the mean of its divisors is an integer number (6588286803).

Almost surely, 2^63538163494 is an apocalyptic number.

63538163494 is a deficient number, since it is larger than the sum of its proper divisors (41874425354).

63538163494 is a wasteful number, since it uses less digits than its factorization.

63538163494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66048039.

The product of its digits is 5598720, while the sum is 52.

The spelling of 63538163494 in words is "sixty-three billion, five hundred thirty-eight million, one hundred sixty-three thousand, four hundred ninety-four".