63545144546 has 8 divisors (see below), whose sum is σ = 102649848924. Its totient is φ = 29328528240.

The previous prime is 63545144539. The next prime is 63545144561. The reversal of 63545144546 is 64544154536.

It can be written as a sum of positive squares in 2 ways, for example, as 62569519321 + 975625225 = 250139^2 + 31235^2 .

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

It is a super-2 number, since 2×63545144546² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63545144546.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222021985 + ... + 1222022036.

Almost surely, 2^63545144546 is an apocalyptic number.

63545144546 is a deficient number, since it is larger than the sum of its proper divisors (39104704378).

63545144546 is a wasteful number, since it uses less digits than its factorization.

63545144546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444044036.

The product of its digits is 3456000, while the sum is 47.

The spelling of 63545144546 in words is "sixty-three billion, five hundred forty-five million, one hundred forty-four thousand, five hundred forty-six".