5647398959 has 2 divisors, whose sum is σ = 5647398960. Its totient is φ = 5647398958.

The previous prime is 5647398947. The next prime is 5647398973. The reversal of 5647398959 is 9598937465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5647398959 - 2⁸ = 5647398703 is a prime.

It is a super-3 number, since 3×5647398959³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5647398895 and 5647398904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5647398059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823699479 + 2823699480.

It is an arithmetic number, because the mean of its divisors is an integer number (2823699480).

Almost surely, 2^5647398959 is an apocalyptic number.

5647398959 is a deficient number, since it is larger than the sum of its proper divisors (1).

5647398959 is an equidigital number, since it uses as much as digits as its factorization.

5647398959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 65.

The square root of 5647398959 is about 75149.1780327636. The cubic root of 5647398959 is about 1780.8041393576.

The spelling of 5647398959 in words is "five billion, six hundred forty-seven million, three hundred ninety-eight thousand, nine hundred fifty-nine".