470130317821 has 2 divisors, whose sum is σ = 470130317822. Its totient is φ = 470130317820.

The previous prime is 470130317807. The next prime is 470130317837. The reversal of 470130317821 is 128713031074.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315040851225 + 155089466596 = 561285^2 + 393814^2 .

It is a cyclic number.

It is not a de Polignac number, because 470130317821 - 2¹¹ = 470130315773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470130317861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235065158910 + 235065158911.

It is an arithmetic number, because the mean of its divisors is an integer number (235065158911).

Almost surely, 2^470130317821 is an apocalyptic number.

It is an amenable number.

470130317821 is a deficient number, since it is larger than the sum of its proper divisors (1).

470130317821 is an equidigital number, since it uses as much as digits as its factorization.

470130317821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 470130317821 its reverse (128713031074), we get a palindrome (598843348895).

The spelling of 470130317821 in words is "four hundred seventy billion, one hundred thirty million, three hundred seventeen thousand, eight hundred twenty-one".