29105483989 has 2 divisors, whose sum is σ = 29105483990. Its totient is φ = 29105483988.

The previous prime is 29105483959. The next prime is 29105483993. The reversal of 29105483989 is 98938450192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28716013764 + 389470225 = 169458^2 + 19735^2 .

It is a cyclic number.

It is not a de Polignac number, because 29105483989 - 2²⁹ = 28568613077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29105483959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14552741994 + 14552741995.

It is an arithmetic number, because the mean of its divisors is an integer number (14552741995).

Almost surely, 2^29105483989 is an apocalyptic number.

It is an amenable number.

29105483989 is a deficient number, since it is larger than the sum of its proper divisors (1).

29105483989 is an equidigital number, since it uses as much as digits as its factorization.

29105483989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 29105483989 in words is "twenty-nine billion, one hundred five million, four hundred eighty-three thousand, nine hundred eighty-nine".