29349764309 has 2 divisors, whose sum is σ = 29349764310. Its totient is φ = 29349764308.

The previous prime is 29349764281. The next prime is 29349764317. The reversal of 29349764309 is 90346794392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17996222500 + 11353541809 = 134150^2 + 106553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29349764309 is a prime.

It is a super-2 number, since 2×29349764309² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29349764369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14674882154 + 14674882155.

It is an arithmetic number, because the mean of its divisors is an integer number (14674882155).

Almost surely, 2^29349764309 is an apocalyptic number.

It is an amenable number.

29349764309 is a deficient number, since it is larger than the sum of its proper divisors (1).

29349764309 is an equidigital number, since it uses as much as digits as its factorization.

29349764309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 29349764309 in words is "twenty-nine billion, three hundred forty-nine million, seven hundred sixty-four thousand, three hundred nine".