29130287569 has 2 divisors, whose sum is σ = 29130287570. Its totient is φ = 29130287568.

The previous prime is 29130287531. The next prime is 29130287617. The reversal of 29130287569 is 96578203192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27649038400 + 1481249169 = 166280^2 + 38487^2 .

It is a cyclic number.

It is not a de Polignac number, because 29130287569 - 2⁷ = 29130287441 is a prime.

It is a super-2 number, since 2×29130287569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29130287509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14565143784 + 14565143785.

It is an arithmetic number, because the mean of its divisors is an integer number (14565143785).

Almost surely, 2^29130287569 is an apocalyptic number.

It is an amenable number.

29130287569 is a deficient number, since it is larger than the sum of its proper divisors (1).

29130287569 is an equidigital number, since it uses as much as digits as its factorization.

29130287569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 29130287569 in words is "twenty-nine billion, one hundred thirty million, two hundred eighty-seven thousand, five hundred sixty-nine".