5638698463 has 2 divisors, whose sum is σ = 5638698464. Its totient is φ = 5638698462.

The previous prime is 5638698413. The next prime is 5638698497. The reversal of 5638698463 is 3648968365.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5638698463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5638698398 and 5638698407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5638698413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819349231 + 2819349232.

It is an arithmetic number, because the mean of its divisors is an integer number (2819349232).

Almost surely, 2^5638698463 is an apocalyptic number.

5638698463 is a deficient number, since it is larger than the sum of its proper divisors (1).

5638698463 is an equidigital number, since it uses as much as digits as its factorization.

5638698463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 58.

The square root of 5638698463 is about 75091.2675548895. The cubic root of 5638698463 is about 1779.8891551352.

The spelling of 5638698463 in words is "five billion, six hundred thirty-eight million, six hundred ninety-eight thousand, four hundred sixty-three".