1005221959463 has 2 divisors, whose sum is σ = 1005221959464. Its totient is φ = 1005221959462.

The previous prime is 1005221959459. The next prime is 1005221959471. The reversal of 1005221959463 is 3649591225001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1005221959463 - 2² = 1005221959459 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005221959493) 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, 502610979731 + 502610979732.

It is an arithmetic number, because the mean of its divisors is an integer number (502610979732).

Almost surely, 2^{1005221959463} is an apocalyptic number.

1005221959463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005221959463 is an equidigital number, since it uses as much as digits as its factorization.

1005221959463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 1005221959463 in words is "one trillion, five billion, two hundred twenty-one million, nine hundred fifty-nine thousand, four hundred sixty-three".