29120812939 has 2 divisors, whose sum is σ = 29120812940. Its totient is φ = 29120812938.

The previous prime is 29120812921. The next prime is 29120812961. The reversal of 29120812939 is 93921802192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29120812939 - 2¹⁷ = 29120681867 is a prime.

It is not a weakly prime, because it can be changed into another prime (29120812979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14560406469 + 14560406470.

It is an arithmetic number, because the mean of its divisors is an integer number (14560406470).

Almost surely, 2^29120812939 is an apocalyptic number.

29120812939 is a deficient number, since it is larger than the sum of its proper divisors (1).

29120812939 is an equidigital number, since it uses as much as digits as its factorization.

29120812939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 29120812939 in words is "twenty-nine billion, one hundred twenty million, eight hundred twelve thousand, nine hundred thirty-nine".