29343980189 has 2 divisors, whose sum is σ = 29343980190. Its totient is φ = 29343980188.

The previous prime is 29343980131. The next prime is 29343980207. The reversal of 29343980189 is 98108934392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22858416100 + 6485564089 = 151190^2 + 80533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29343980189 is a prime.

It is a super-2 number, since 2×29343980189² (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 (29343980389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14671990094 + 14671990095.

It is an arithmetic number, because the mean of its divisors is an integer number (14671990095).

Almost surely, 2^29343980189 is an apocalyptic number.

It is an amenable number.

29343980189 is a deficient number, since it is larger than the sum of its proper divisors (1).

29343980189 is an equidigital number, since it uses as much as digits as its factorization.

29343980189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 29343980189 in words is "twenty-nine billion, three hundred forty-three million, nine hundred eighty thousand, one hundred eighty-nine".