506432103421 has 2 divisors, whose sum is σ = 506432103422. Its totient is φ = 506432103420.

The previous prime is 506432103413. The next prime is 506432103451. The reversal of 506432103421 is 124301234605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430854396025 + 75577707396 = 656395^2 + 274914^2 .

It is a cyclic number.

It is not a de Polignac number, because 506432103421 - 2³ = 506432103413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506432103451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253216051710 + 253216051711.

It is an arithmetic number, because the mean of its divisors is an integer number (253216051711).

Almost surely, 2^506432103421 is an apocalyptic number.

It is an amenable number.

506432103421 is a deficient number, since it is larger than the sum of its proper divisors (1).

506432103421 is an equidigital number, since it uses as much as digits as its factorization.

506432103421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 506432103421 in words is "five hundred six billion, four hundred thirty-two million, one hundred three thousand, four hundred twenty-one".