63045310021 has 8 divisors (see below), whose sum is σ = 63873936000. Its totient is φ = 62217448800.

The previous prime is 63045309991. The next prime is 63045310073. The reversal of 63045310021 is 12001354036.

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

It is a cyclic number.

It is not a de Polignac number, because 63045310021 - 2⁷ = 63045309893 is a prime.

It is a super-2 number, since 2×63045310021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63045310721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24280 + ... + 355921.

It is an arithmetic number, because the mean of its divisors is an integer number (7984242000).

Almost surely, 2^63045310021 is an apocalyptic number.

It is an amenable number.

63045310021 is a deficient number, since it is larger than the sum of its proper divisors (828625979).

63045310021 is a wasteful number, since it uses less digits than its factorization.

63045310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382379.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 63045310021 its reverse (12001354036), we get a palindrome (75046664057).

The spelling of 63045310021 in words is "sixty-three billion, forty-five million, three hundred ten thousand, twenty-one".