29477081089 has 2 divisors, whose sum is σ = 29477081090. Its totient is φ = 29477081088.

The previous prime is 29477081047. The next prime is 29477081119. The reversal of 29477081089 is 98018077492.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24022520064 + 5454561025 = 154992^2 + 73855^2 .

It is a cyclic number.

It is not a de Polignac number, because 29477081089 - 2¹¹ = 29477079041 is a prime.

It is not a weakly prime, because it can be changed into another prime (29477051089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14738540544 + 14738540545.

It is an arithmetic number, because the mean of its divisors is an integer number (14738540545).

Almost surely, 2^29477081089 is an apocalyptic number.

It is an amenable number.

29477081089 is a deficient number, since it is larger than the sum of its proper divisors (1).

29477081089 is an equidigital number, since it uses as much as digits as its factorization.

29477081089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 29477081089 in words is "twenty-nine billion, four hundred seventy-seven million, eighty-one thousand, eighty-nine".