9715011643 has 2 divisors, whose sum is σ = 9715011644. Its totient is φ = 9715011642.

The previous prime is 9715011637. The next prime is 9715011659. The reversal of 9715011643 is 3461105179.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9715011643 - 2⁵ = 9715011611 is a prime.

It is not a weakly prime, because it can be changed into another prime (9715011143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4857505821 + 4857505822.

It is an arithmetic number, because the mean of its divisors is an integer number (4857505822).

Almost surely, 2^9715011643 is an apocalyptic number.

9715011643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9715011643 is an equidigital number, since it uses as much as digits as its factorization.

9715011643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 9715011643 is about 98564.7586259917. The cubic root of 9715011643 is about 2133.7708368143.

The spelling of 9715011643 in words is "nine billion, seven hundred fifteen million, eleven thousand, six hundred forty-three".