5245638943 has 2 divisors, whose sum is σ = 5245638944. Its totient is φ = 5245638942.

The previous prime is 5245638889. The next prime is 5245638953. The reversal of 5245638943 is 3498365425.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5245638943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5245638953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622819471 + 2622819472.

It is an arithmetic number, because the mean of its divisors is an integer number (2622819472).

Almost surely, 2^5245638943 is an apocalyptic number.

5245638943 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245638943 is an equidigital number, since it uses as much as digits as its factorization.

5245638943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 49.

The square root of 5245638943 is about 72426.7833263358. The cubic root of 5245638943 is about 1737.5319462615.

The spelling of 5245638943 in words is "five billion, two hundred forty-five million, six hundred thirty-eight thousand, nine hundred forty-three".