29663848189 has 2 divisors, whose sum is σ = 29663848190. Its totient is φ = 29663848188.

The previous prime is 29663848157. The next prime is 29663848219. The reversal of 29663848189 is 98184836692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28086408100 + 1577440089 = 167590^2 + 39717^2 .

It is a cyclic number.

It is not a de Polignac number, because 29663848189 - 2⁵ = 29663848157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29663848189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29663828189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14831924094 + 14831924095.

It is an arithmetic number, because the mean of its divisors is an integer number (14831924095).

Almost surely, 2^29663848189 is an apocalyptic number.

It is an amenable number.

29663848189 is a deficient number, since it is larger than the sum of its proper divisors (1).

29663848189 is an equidigital number, since it uses as much as digits as its factorization.

29663848189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35831808, while the sum is 64.

The spelling of 29663848189 in words is "twenty-nine billion, six hundred sixty-three million, eight hundred forty-eight thousand, one hundred eighty-nine".