30433414421 has 2 divisors, whose sum is σ = 30433414422. Its totient is φ = 30433414420.

The previous prime is 30433414393. The next prime is 30433414423. The reversal of 30433414421 is 12441433403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24268966225 + 6164448196 = 155785^2 + 78514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30433414421 is a prime.

Together with 30433414423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30433414423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15216707210 + 15216707211.

It is an arithmetic number, because the mean of its divisors is an integer number (15216707211).

Almost surely, 2^30433414421 is an apocalyptic number.

It is an amenable number.

30433414421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30433414421 is an equidigital number, since it uses as much as digits as its factorization.

30433414421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 30433414421 its reverse (12441433403), we get a palindrome (42874847824).

The spelling of 30433414421 in words is "thirty billion, four hundred thirty-three million, four hundred fourteen thousand, four hundred twenty-one".