29964989671 has 2 divisors, whose sum is σ = 29964989672. Its totient is φ = 29964989670.

The previous prime is 29964989657. The next prime is 29964989723. The reversal of 29964989671 is 17698946992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29964989671 - 2¹¹ = 29964987623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29964989671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29964989611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14982494835 + 14982494836.

It is an arithmetic number, because the mean of its divisors is an integer number (14982494836).

Almost surely, 2^29964989671 is an apocalyptic number.

29964989671 is a deficient number, since it is larger than the sum of its proper divisors (1).

29964989671 is an equidigital number, since it uses as much as digits as its factorization.

29964989671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105815808, while the sum is 70.

The spelling of 29964989671 in words is "twenty-nine billion, nine hundred sixty-four million, nine hundred eighty-nine thousand, six hundred seventy-one".