63523553654 has 32 divisors (see below), whose sum is σ = 104759308800. Its totient is φ = 28649406240.

The previous prime is 63523553629. The next prime is 63523553663. The reversal of 63523553654 is 45635532536.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63523553599 and 63523553608.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2470637 + ... + 2496215.

It is an arithmetic number, because the mean of its divisors is an integer number (3273728400).

Almost surely, 2^63523553654 is an apocalyptic number.

63523553654 is a deficient number, since it is larger than the sum of its proper divisors (41235755146).

63523553654 is a wasteful number, since it uses less digits than its factorization.

63523553654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26468.

The product of its digits is 4860000, while the sum is 47.

The spelling of 63523553654 in words is "sixty-three billion, five hundred twenty-three million, five hundred fifty-three thousand, six hundred fifty-four".