63645534551354 has 16 divisors (see below), whose sum is σ = 109221118227648. Its totient is φ = 27248035772832.

The previous prime is 63645534551257. The next prime is 63645534551393. The reversal of 63645534551354 is 45315543554636.

It is a junction number, because it is equal to n+sod(n) for n = 63645534551293 and 63645534551302.

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, 2385143852 + ... + 2385170535.

It is an arithmetic number, because the mean of its divisors is an integer number (6826319889228).

Almost surely, 2^{63645534551354} is an apocalyptic number.

63645534551354 is a deficient number, since it is larger than the sum of its proper divisors (45575583676294).

63645534551354 is a wasteful number, since it uses less digits than its factorization.

63645534551354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770315349.

The product of its digits is 194400000, while the sum is 59.

The spelling of 63645534551354 in words is "sixty-three trillion, six hundred forty-five billion, five hundred thirty-four million, five hundred fifty-one thousand, three hundred fifty-four".