8943249503 has 2 divisors, whose sum is σ = 8943249504. Its totient is φ = 8943249502.

The previous prime is 8943249499. The next prime is 8943249509. The reversal of 8943249503 is 3059423498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8943249503 - 2² = 8943249499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8943249509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471624751 + 4471624752.

It is an arithmetic number, because the mean of its divisors is an integer number (4471624752).

Almost surely, 2^8943249503 is an apocalyptic number.

8943249503 is a deficient number, since it is larger than the sum of its proper divisors (1).

8943249503 is an equidigital number, since it uses as much as digits as its factorization.

8943249503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 8943249503 is about 94568.7554269379. The cubic root of 8943249503 is about 2075.7025348834.

The spelling of 8943249503 in words is "eight billion, nine hundred forty-three million, two hundred forty-nine thousand, five hundred three".