29806470139 has 2 divisors, whose sum is σ = 29806470140. Its totient is φ = 29806470138.

The previous prime is 29806470097. The next prime is 29806470149. The reversal of 29806470139 is 93107460892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29806470139 - 2¹¹ = 29806468091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29806470092 and 29806470101.

It is not a weakly prime, because it can be changed into another prime (29806470149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14903235069 + 14903235070.

It is an arithmetic number, because the mean of its divisors is an integer number (14903235070).

Almost surely, 2^29806470139 is an apocalyptic number.

29806470139 is a deficient number, since it is larger than the sum of its proper divisors (1).

29806470139 is an equidigital number, since it uses as much as digits as its factorization.

29806470139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 29806470139 in words is "twenty-nine billion, eight hundred six million, four hundred seventy thousand, one hundred thirty-nine".