9644709463 has 2 divisors, whose sum is σ = 9644709464. Its totient is φ = 9644709462.

The previous prime is 9644709427. The next prime is 9644709493. The reversal of 9644709463 is 3649074469.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9644709463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9644709463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9644709413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4822354731 + 4822354732.

It is an arithmetic number, because the mean of its divisors is an integer number (4822354732).

Almost surely, 2^9644709463 is an apocalyptic number.

9644709463 is a deficient number, since it is larger than the sum of its proper divisors (1).

9644709463 is an equidigital number, since it uses as much as digits as its factorization.

9644709463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The square root of 9644709463 is about 98207.4817058252. The cubic root of 9644709463 is about 2128.6113972365.

The spelling of 9644709463 in words is "nine billion, six hundred forty-four million, seven hundred nine thousand, four hundred sixty-three".