30198843629 has 4 divisors (see below), whose sum is σ = 30205587420. Its totient is φ = 30192099840.

The previous prime is 30198843569. The next prime is 30198843679. The reversal of 30198843629 is 92634889103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16422422500 + 13776421129 = 128150^2 + 117373^2 .

It is a cyclic number.

It is not a de Polignac number, because 30198843629 - 2⁸ = 30198843373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30198843679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365174 + ... + 3374135.

It is an arithmetic number, because the mean of its divisors is an integer number (7551396855).

Almost surely, 2^30198843629 is an apocalyptic number.

It is an amenable number.

30198843629 is a deficient number, since it is larger than the sum of its proper divisors (6743791).

30198843629 is an equidigital number, since it uses as much as digits as its factorization.

30198843629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743790.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 30198843629 in words is "thirty billion, one hundred ninety-eight million, eight hundred forty-three thousand, six hundred twenty-nine".