30429020191 has 2 divisors, whose sum is σ = 30429020192. Its totient is φ = 30429020190.

The previous prime is 30429020117. The next prime is 30429020197. The reversal of 30429020191 is 19102092403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30429020191 - 2²⁷ = 30294802463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30429020197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15214510095 + 15214510096.

It is an arithmetic number, because the mean of its divisors is an integer number (15214510096).

Almost surely, 2^30429020191 is an apocalyptic number.

30429020191 is a deficient number, since it is larger than the sum of its proper divisors (1).

30429020191 is an equidigital number, since it uses as much as digits as its factorization.

30429020191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 30429020191 in words is "thirty billion, four hundred twenty-nine million, twenty thousand, one hundred ninety-one".