32406336246821 has 2 divisors, whose sum is σ = 32406336246822. Its totient is φ = 32406336246820.

The previous prime is 32406336246799. The next prime is 32406336246839. The reversal of 32406336246821 is 12864263360423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22629895753921 + 9776440492900 = 4757089^2 + 3126730^2 .

It is a cyclic number.

It is not a de Polignac number, because 32406336246821 - 2⁴² = 28008289735717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32406336246821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32406336246521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16203168123410 + 16203168123411.

It is an arithmetic number, because the mean of its divisors is an integer number (16203168123411).

Almost surely, 2^{32406336246821} is an apocalyptic number.

It is an amenable number.

32406336246821 is a deficient number, since it is larger than the sum of its proper divisors (1).

32406336246821 is an equidigital number, since it uses as much as digits as its factorization.

32406336246821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 50.

The spelling of 32406336246821 in words is "thirty-two trillion, four hundred six billion, three hundred thirty-six million, two hundred forty-six thousand, eight hundred twenty-one".