29649087289 has 2 divisors, whose sum is σ = 29649087290. Its totient is φ = 29649087288.

The previous prime is 29649087253. The next prime is 29649087323. The reversal of 29649087289 is 98278094692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24372517689 + 5276569600 = 156117^2 + 72640^2 .

It is a cyclic number.

It is not a de Polignac number, because 29649087289 - 2¹¹ = 29649085241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29649087289.

It is not a weakly prime, because it can be changed into another prime (29649057289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14824543644 + 14824543645.

It is an arithmetic number, because the mean of its divisors is an integer number (14824543645).

Almost surely, 2^29649087289 is an apocalyptic number.

It is an amenable number.

29649087289 is a deficient number, since it is larger than the sum of its proper divisors (1).

29649087289 is an equidigital number, since it uses as much as digits as its factorization.

29649087289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 29649087289 in words is "twenty-nine billion, six hundred forty-nine million, eighty-seven thousand, two hundred eighty-nine".