29122734469 has 2 divisors, whose sum is σ = 29122734470. Its totient is φ = 29122734468.

The previous prime is 29122734451. The next prime is 29122734533. The reversal of 29122734469 is 96443722192.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17348314369 + 11774420100 = 131713^2 + 108510^2 .

It is a cyclic number.

It is not a de Polignac number, because 29122734469 - 2⁵ = 29122734437 is a prime.

It is a super-2 number, since 2×29122734469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29122734169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14561367234 + 14561367235.

It is an arithmetic number, because the mean of its divisors is an integer number (14561367235).

Almost surely, 2^29122734469 is an apocalyptic number.

It is an amenable number.

29122734469 is a deficient number, since it is larger than the sum of its proper divisors (1).

29122734469 is an equidigital number, since it uses as much as digits as its factorization.

29122734469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The spelling of 29122734469 in words is "twenty-nine billion, one hundred twenty-two million, seven hundred thirty-four thousand, four hundred sixty-nine".