63021395063 has 8 divisors (see below), whose sum is σ = 68766258960. Its totient is φ = 57279138880.

The previous prime is 63021395033. The next prime is 63021395117. The reversal of 63021395063 is 36059312036.

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 63021395063 - 2¹⁸ = 63021132919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63021395033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601220 + ... + 698217.

It is an arithmetic number, because the mean of its divisors is an integer number (8595782370).

Almost surely, 2^63021395063 is an apocalyptic number.

63021395063 is a deficient number, since it is larger than the sum of its proper divisors (5744863897).

63021395063 is a wasteful number, since it uses less digits than its factorization.

63021395063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303857.

The product of its (nonzero) digits is 87480, while the sum is 38.

The spelling of 63021395063 in words is "sixty-three billion, twenty-one million, three hundred ninety-five thousand, sixty-three".