10447543387 has 2 divisors, whose sum is σ = 10447543388. Its totient is φ = 10447543386.

The previous prime is 10447543373. The next prime is 10447543423. The reversal of 10447543387 is 78334574401.

It is a weak prime.

It is an emirp because it is prime and its reverse (78334574401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10447543387 is a prime.

It is not a weakly prime, because it can be changed into another prime (10447543487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5223771693 + 5223771694.

It is an arithmetic number, because the mean of its divisors is an integer number (5223771694).

Almost surely, 2^10447543387 is an apocalyptic number.

10447543387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10447543387 is an equidigital number, since it uses as much as digits as its factorization.

10447543387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 10447543387 in words is "ten billion, four hundred forty-seven million, five hundred forty-three thousand, three hundred eighty-seven".