232628004377221 has 2 divisors, whose sum is σ = 232628004377222. Its totient is φ = 232628004377220.

The previous prime is 232628004377129. The next prime is 232628004377317. The reversal of 232628004377221 is 122773400826232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128873693585025 + 103754310792196 = 11352255^2 + 10185986^2 .

It is a cyclic number.

It is not a de Polignac number, because 232628004377221 - 2¹⁷ = 232628004246149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232628004377621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116314002188610 + 116314002188611.

It is an arithmetic number, because the mean of its divisors is an integer number (116314002188611).

Almost surely, 2^{232628004377221} is an apocalyptic number.

It is an amenable number.

232628004377221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232628004377221 is an equidigital number, since it uses as much as digits as its factorization.

232628004377221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 232628004377221 in words is "two hundred thirty-two trillion, six hundred twenty-eight billion, four million, three hundred seventy-seven thousand, two hundred twenty-one".