9679512971 has 2 divisors, whose sum is σ = 9679512972. Its totient is φ = 9679512970.

The previous prime is 9679512949. The next prime is 9679512977. The reversal of 9679512971 is 1792159769.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9679512971 is a prime.

It is not a weakly prime, because it can be changed into another prime (9679512977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4839756485 + 4839756486.

It is an arithmetic number, because the mean of its divisors is an integer number (4839756486).

Almost surely, 2^9679512971 is an apocalyptic number.

9679512971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9679512971 is an equidigital number, since it uses as much as digits as its factorization.

9679512971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 56.

The square root of 9679512971 is about 98384.5159107875. The cubic root of 9679512971 is about 2131.1687305652.

The spelling of 9679512971 in words is "nine billion, six hundred seventy-nine million, five hundred twelve thousand, nine hundred seventy-one".