29839473893 has 2 divisors, whose sum is σ = 29839473894. Its totient is φ = 29839473892.

The previous prime is 29839473887. The next prime is 29839473899. The reversal of 29839473893 is 39837493892.

It is a balanced prime because it is at equal distance from previous prime (29839473887) and next prime (29839473899).

It can be written as a sum of positive squares in only one way, i.e., 28661474209 + 1177999684 = 169297^2 + 34322^2 .

It is a cyclic number.

It is not a de Polignac number, because 29839473893 - 2¹⁰ = 29839472869 is a prime.

It is a super-2 number, since 2×29839473893² (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 (29839473899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14919736946 + 14919736947.

It is an arithmetic number, because the mean of its divisors is an integer number (14919736947).

Almost surely, 2^29839473893 is an apocalyptic number.

It is an amenable number.

29839473893 is a deficient number, since it is larger than the sum of its proper divisors (1).

29839473893 is an equidigital number, since it uses as much as digits as its factorization.

29839473893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 65.

The spelling of 29839473893 in words is "twenty-nine billion, eight hundred thirty-nine million, four hundred seventy-three thousand, eight hundred ninety-three".