5420133421 has 2 divisors, whose sum is σ = 5420133422. Its totient is φ = 5420133420.

The previous prime is 5420133377. The next prime is 5420133427. The reversal of 5420133421 is 1243310245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5053219396 + 366914025 = 71086^2 + 19155^2 .

It is a cyclic number.

It is not a de Polignac number, because 5420133421 - 2¹⁷ = 5420002349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5420133427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710066710 + 2710066711.

It is an arithmetic number, because the mean of its divisors is an integer number (2710066711).

Almost surely, 2^5420133421 is an apocalyptic number.

It is an amenable number.

5420133421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420133421 is an equidigital number, since it uses as much as digits as its factorization.

5420133421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5420133421 is about 73621.5554100835. Note that the first 3 decimals coincide. The cubic root of 5420133421 is about 1756.5883268852.

Adding to 5420133421 its reverse (1243310245), we get a palindrome (6663443666).

The spelling of 5420133421 in words is "five billion, four hundred twenty million, one hundred thirty-three thousand, four hundred twenty-one".