4551533421630 has 64 divisors (see below), whose sum is σ = 11929653001728. Its totient is φ = 1104597486720.

The previous prime is 4551533421629. The next prime is 4551533421641. The reversal of 4551533421630 is 361243351554.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82159624 + ... + 82215003.

It is an arithmetic number, because the mean of its divisors is an integer number (186400828152).

Almost surely, 2^{4551533421630} is an apocalyptic number.

4551533421630 is an abundant number, since it is smaller than the sum of its proper divisors (7378119580098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4551533421630 is a wasteful number, since it uses less digits than its factorization.

4551533421630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164374721.

The product of its (nonzero) digits is 648000, while the sum is 42.

It can be divided in two parts, 455153 and 3421630, that added together give a palindrome (3876783).

The spelling of 4551533421630 in words is "four trillion, five hundred fifty-one billion, five hundred thirty-three million, four hundred twenty-one thousand, six hundred thirty".