29640606329 has 2 divisors, whose sum is σ = 29640606330. Its totient is φ = 29640606328.

The previous prime is 29640606313. The next prime is 29640606403. The reversal of 29640606329 is 92360604692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22223951929 + 7416654400 = 149077^2 + 86120^2 .

It is a cyclic number.

It is not a de Polignac number, because 29640606329 - 2⁴ = 29640606313 is a prime.

It is not a weakly prime, because it can be changed into another prime (29640600329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14820303164 + 14820303165.

It is an arithmetic number, because the mean of its divisors is an integer number (14820303165).

Almost surely, 2^29640606329 is an apocalyptic number.

It is an amenable number.

29640606329 is a deficient number, since it is larger than the sum of its proper divisors (1).

29640606329 is an equidigital number, since it uses as much as digits as its factorization.

29640606329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 29640606329 in words is "twenty-nine billion, six hundred forty million, six hundred six thousand, three hundred twenty-nine".