63268216421 has 8 divisors (see below), whose sum is σ = 64462154880. Its totient is φ = 62084104992.

The previous prime is 63268216411. The next prime is 63268216433. The reversal of 63268216421 is 12461286236.

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 63268216421 - 2³⁰ = 62194474597 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 (63268216411) 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, 2443760 + ... + 2469513.

It is an arithmetic number, because the mean of its divisors is an integer number (8057769360).

Almost surely, 2^63268216421 is an apocalyptic number.

It is an amenable number.

63268216421 is a deficient number, since it is larger than the sum of its proper divisors (1193938459).

63268216421 is a wasteful number, since it uses less digits than its factorization.

63268216421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913515.

The product of its digits is 165888, while the sum is 41.

The spelling of 63268216421 in words is "sixty-three billion, two hundred sixty-eight million, two hundred sixteen thousand, four hundred twenty-one".