5433111421 has 2 divisors, whose sum is σ = 5433111422. Its totient is φ = 5433111420.

The previous prime is 5433111391. The next prime is 5433111443. The reversal of 5433111421 is 1241113345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5405925625 + 27185796 = 73525^2 + 5214^2 .

It is a cyclic number.

It is not a de Polignac number, because 5433111421 - 2⁷ = 5433111293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5433111721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716555710 + 2716555711.

It is an arithmetic number, because the mean of its divisors is an integer number (2716555711).

Almost surely, 2^5433111421 is an apocalyptic number.

It is an amenable number.

5433111421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5433111421 is an equidigital number, since it uses as much as digits as its factorization.

5433111421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 5433111421 is about 73709.6426595598. The cubic root of 5433111421 is about 1757.9892046010.

Adding to 5433111421 its reverse (1241113345), we get a palindrome (6674224766).

The spelling of 5433111421 in words is "five billion, four hundred thirty-three million, one hundred eleven thousand, four hundred twenty-one".