30433422421 has 4 divisors (see below), whose sum is σ = 30949243200. Its totient is φ = 29917601644.

The previous prime is 30433422403. The next prime is 30433422433. The reversal of 30433422421 is 12422433403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30433422421 - 2¹⁵ = 30433389653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30433422421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30433452421) 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 in 3 ways as a sum of consecutive naturals, for example, 257910301 + ... + 257910418.

It is an arithmetic number, because the mean of its divisors is an integer number (7737310800).

Almost surely, 2^30433422421 is an apocalyptic number.

It is an amenable number.

30433422421 is a deficient number, since it is larger than the sum of its proper divisors (515820779).

30433422421 is an equidigital number, since it uses as much as digits as its factorization.

30433422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515820778.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30433422421 its reverse (12422433403), we get a palindrome (42855855824).

The spelling of 30433422421 in words is "thirty billion, four hundred thirty-three million, four hundred twenty-two thousand, four hundred twenty-one".