352432841921 has 2 divisors, whose sum is σ = 352432841922. Its totient is φ = 352432841920.

The previous prime is 352432841821. The next prime is 352432841983. The reversal of 352432841921 is 129148234253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352200706225 + 232135696 = 593465^2 + 15236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352432841921 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (352432841821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176216420960 + 176216420961.

It is an arithmetic number, because the mean of its divisors is an integer number (176216420961).

Almost surely, 2^352432841921 is an apocalyptic number.

It is an amenable number.

352432841921 is a deficient number, since it is larger than the sum of its proper divisors (1).

352432841921 is an equidigital number, since it uses as much as digits as its factorization.

352432841921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 44.

The spelling of 352432841921 in words is "three hundred fifty-two billion, four hundred thirty-two million, eight hundred forty-one thousand, nine hundred twenty-one".