29830434391 has 2 divisors, whose sum is σ = 29830434392. Its totient is φ = 29830434390.

The previous prime is 29830434383. The next prime is 29830434433. The reversal of 29830434391 is 19343403892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29830434391 - 2³ = 29830434383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29830434341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14915217195 + 14915217196.

It is an arithmetic number, because the mean of its divisors is an integer number (14915217196).

Almost surely, 2^29830434391 is an apocalyptic number.

29830434391 is a deficient number, since it is larger than the sum of its proper divisors (1).

29830434391 is an equidigital number, since it uses as much as digits as its factorization.

29830434391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 29830434391 in words is "twenty-nine billion, eight hundred thirty million, four hundred thirty-four thousand, three hundred ninety-one".