405221331440963 has 2 divisors, whose sum is σ = 405221331440964. Its totient is φ = 405221331440962.

The previous prime is 405221331440941. The next prime is 405221331441001. The reversal of 405221331440963 is 369044133122504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405221331440963 - 2¹⁸ = 405221331178819 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (405221331445963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202610665720481 + 202610665720482.

It is an arithmetic number, because the mean of its divisors is an integer number (202610665720482).

Almost surely, 2^{405221331440963} is an apocalyptic number.

405221331440963 is a deficient number, since it is larger than the sum of its proper divisors (1).

405221331440963 is an equidigital number, since it uses as much as digits as its factorization.

405221331440963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 405221331440963 in words is "four hundred five trillion, two hundred twenty-one billion, three hundred thirty-one million, four hundred forty thousand, nine hundred sixty-three".