30663949647 has 8 divisors (see below), whose sum is σ = 41282210944. Its totient is φ = 20244160728.

The previous prime is 30663949571. The next prime is 30663949681. The reversal of 30663949647 is 74694936603.

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

It is not a de Polignac number, because 30663949647 - 2⁸ = 30663949391 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 (30663949447) 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, 49617733 + ... + 49618350.

It is an arithmetic number, because the mean of its divisors is an integer number (5160276368).

Almost surely, 2^30663949647 is an apocalyptic number.

30663949647 is a deficient number, since it is larger than the sum of its proper divisors (10618261297).

30663949647 is a wasteful number, since it uses less digits than its factorization.

30663949647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99236189.

The product of its (nonzero) digits is 17635968, while the sum is 57.

The spelling of 30663949647 in words is "thirty billion, six hundred sixty-three million, nine hundred forty-nine thousand, six hundred forty-seven".