472750305701221 has 2 divisors, whose sum is σ = 472750305701222. Its totient is φ = 472750305701220.

The previous prime is 472750305701203. The next prime is 472750305701257. The reversal of 472750305701221 is 122107503057274.

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., 393849030096900 + 78901275604321 = 19845630^2 + 8882639^2 .

It is a cyclic number.

It is not a de Polignac number, because 472750305701221 - 2⁹ = 472750305700709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472750305701291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236375152850610 + 236375152850611.

It is an arithmetic number, because the mean of its divisors is an integer number (236375152850611).

Almost surely, 2^{472750305701221} is an apocalyptic number.

It is an amenable number.

472750305701221 is a deficient number, since it is larger than the sum of its proper divisors (1).

472750305701221 is an equidigital number, since it uses as much as digits as its factorization.

472750305701221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 823200, while the sum is 46.

Adding to 472750305701221 its reverse (122107503057274), we get a palindrome (594857808758495).

The spelling of 472750305701221 in words is "four hundred seventy-two trillion, seven hundred fifty billion, three hundred five million, seven hundred one thousand, two hundred twenty-one".