430809048421 has 2 divisors, whose sum is σ = 430809048422. Its totient is φ = 430809048420.

The previous prime is 430809048403. The next prime is 430809048431. The reversal of 430809048421 is 124840908034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325229543521 + 105579504900 = 570289^2 + 324930^2 .

It is a cyclic number.

It is not a de Polignac number, because 430809048421 - 2⁹ = 430809047909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430809048401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215404524210 + 215404524211.

It is an arithmetic number, because the mean of its divisors is an integer number (215404524211).

Almost surely, 2^430809048421 is an apocalyptic number.

It is an amenable number.

430809048421 is a deficient number, since it is larger than the sum of its proper divisors (1).

430809048421 is an equidigital number, since it uses as much as digits as its factorization.

430809048421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 430809048421 in words is "four hundred thirty billion, eight hundred nine million, forty-eight thousand, four hundred twenty-one".