5663523839 has 2 divisors, whose sum is σ = 5663523840. Its totient is φ = 5663523838.

The previous prime is 5663523821. The next prime is 5663523913. The reversal of 5663523839 is 9383253665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5663523839 - 2⁸ = 5663523583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5663523539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831761919 + 2831761920.

It is an arithmetic number, because the mean of its divisors is an integer number (2831761920).

Almost surely, 2^5663523839 is an apocalyptic number.

5663523839 is a deficient number, since it is larger than the sum of its proper divisors (1).

5663523839 is an equidigital number, since it uses as much as digits as its factorization.

5663523839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 50.

The square root of 5663523839 is about 75256.3873634657. The cubic root of 5663523839 is about 1782.4974242688.

The spelling of 5663523839 in words is "five billion, six hundred sixty-three million, five hundred twenty-three thousand, eight hundred thirty-nine".