39960969211 has 2 divisors, whose sum is σ = 39960969212. Its totient is φ = 39960969210.

The previous prime is 39960969197. The next prime is 39960969313. The reversal of 39960969211 is 11296906993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39960969211 - 2²⁹ = 39424098299 is a prime.

It is not a weakly prime, because it can be changed into another prime (39960961211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19980484605 + 19980484606.

It is an arithmetic number, because the mean of its divisors is an integer number (19980484606).

Almost surely, 2^39960969211 is an apocalyptic number.

39960969211 is a deficient number, since it is larger than the sum of its proper divisors (1).

39960969211 is an equidigital number, since it uses as much as digits as its factorization.

39960969211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 55.

The spelling of 39960969211 in words is "thirty-nine billion, nine hundred sixty million, nine hundred sixty-nine thousand, two hundred eleven".