29622649249 has 2 divisors, whose sum is σ = 29622649250. Its totient is φ = 29622649248.

The previous prime is 29622649247. The next prime is 29622649253. The reversal of 29622649249 is 94294622692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26161445025 + 3461204224 = 161745^2 + 58832^2 .

It is a cyclic number.

It is not a de Polignac number, because 29622649249 - 2¹ = 29622649247 is a prime.

Together with 29622649247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 29622649249.

It is not a weakly prime, because it can be changed into another prime (29622649247) 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, 14811324624 + 14811324625.

It is an arithmetic number, because the mean of its divisors is an integer number (14811324625).

Almost surely, 2^29622649249 is an apocalyptic number.

It is an amenable number.

29622649249 is a deficient number, since it is larger than the sum of its proper divisors (1).

29622649249 is an equidigital number, since it uses as much as digits as its factorization.

29622649249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 55.

The spelling of 29622649249 in words is "twenty-nine billion, six hundred twenty-two million, six hundred forty-nine thousand, two hundred forty-nine".