63305664441 has 8 divisors (see below), whose sum is σ = 84576708000. Its totient is φ = 42119198592.

The previous prime is 63305664407. The next prime is 63305664491. The reversal of 63305664441 is 14446650336.

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

It is not a de Polignac number, because 63305664441 - 2¹⁰ = 63305663417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63305664393 and 63305664402.

It is not an unprimeable number, because it can be changed into a prime (63305664491) 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, 21142680 + ... + 21145673.

It is an arithmetic number, because the mean of its divisors is an integer number (10572088500).

Almost surely, 2^63305664441 is an apocalyptic number.

It is an amenable number.

63305664441 is a deficient number, since it is larger than the sum of its proper divisors (21271043559).

63305664441 is a wasteful number, since it uses less digits than its factorization.

63305664441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42288855.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 63305664441 in words is "sixty-three billion, three hundred five million, six hundred sixty-four thousand, four hundred forty-one".