10993327647 has 4 divisors (see below), whose sum is σ = 14657770200. Its totient is φ = 7328885096.

The previous prime is 10993327643. The next prime is 10993327649. The reversal of 10993327647 is 74672339901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10993327647 - 2² = 10993327643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10993327647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10993327643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1832221272 + ... + 1832221277.

It is an arithmetic number, because the mean of its divisors is an integer number (3664442550).

Almost surely, 2^10993327647 is an apocalyptic number.

10993327647 is a deficient number, since it is larger than the sum of its proper divisors (3664442553).

10993327647 is an equidigital number, since it uses as much as digits as its factorization.

10993327647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664442552.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The spelling of 10993327647 in words is "ten billion, nine hundred ninety-three million, three hundred twenty-seven thousand, six hundred forty-seven".