30533401421 has 2 divisors, whose sum is σ = 30533401422. Its totient is φ = 30533401420.

The previous prime is 30533401411. The next prime is 30533401511. The reversal of 30533401421 is 12410433503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20450430025 + 10082971396 = 143005^2 + 100414^2 .

It is a cyclic number.

It is not a de Polignac number, because 30533401421 - 2¹⁴ = 30533385037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30533401411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15266700710 + 15266700711.

It is an arithmetic number, because the mean of its divisors is an integer number (15266700711).

Almost surely, 2^30533401421 is an apocalyptic number.

It is an amenable number.

30533401421 is a deficient number, since it is larger than the sum of its proper divisors (1).

30533401421 is an equidigital number, since it uses as much as digits as its factorization.

30533401421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 30533401421 its reverse (12410433503), we get a palindrome (42943834924).

The spelling of 30533401421 in words is "thirty billion, five hundred thirty-three million, four hundred one thousand, four hundred twenty-one".