29649214129 has 2 divisors, whose sum is σ = 29649214130. Its totient is φ = 29649214128.

The previous prime is 29649214117. The next prime is 29649214169. The reversal of 29649214129 is 92141294692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28750593600 + 898620529 = 169560^2 + 29977^2 .

It is a cyclic number.

It is not a de Polignac number, because 29649214129 - 2¹¹ = 29649212081 is a prime.

It is not a weakly prime, because it can be changed into another prime (29649214169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14824607064 + 14824607065.

It is an arithmetic number, because the mean of its divisors is an integer number (14824607065).

Almost surely, 2^29649214129 is an apocalyptic number.

It is an amenable number.

29649214129 is a deficient number, since it is larger than the sum of its proper divisors (1).

29649214129 is an equidigital number, since it uses as much as digits as its factorization.

29649214129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The spelling of 29649214129 in words is "twenty-nine billion, six hundred forty-nine million, two hundred fourteen thousand, one hundred twenty-nine".