29189008391 has 2 divisors, whose sum is σ = 29189008392. Its totient is φ = 29189008390.

The previous prime is 29189008379. The next prime is 29189008423. The reversal of 29189008391 is 19380098192.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29189008391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29189008351) 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, 14594504195 + 14594504196.

It is an arithmetic number, because the mean of its divisors is an integer number (14594504196).

Almost surely, 2^29189008391 is an apocalyptic number.

29189008391 is a deficient number, since it is larger than the sum of its proper divisors (1).

29189008391 is an equidigital number, since it uses as much as digits as its factorization.

29189008391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 29189008391 in words is "twenty-nine billion, one hundred eighty-nine million, eight thousand, three hundred ninety-one".