1288724448419 has 2 divisors, whose sum is σ = 1288724448420. Its totient is φ = 1288724448418.

The previous prime is 1288724448383. The next prime is 1288724448433. The reversal of 1288724448419 is 9148444278821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1288724448419 - 2¹² = 1288724444323 is a prime.

It is a super-2 number, since 2×1288724448419² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1288724448439) 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, 644362224209 + 644362224210.

It is an arithmetic number, because the mean of its divisors is an integer number (644362224210).

Almost surely, 2^{1288724448419} is an apocalyptic number.

1288724448419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288724448419 is an equidigital number, since it uses as much as digits as its factorization.

1288724448419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33030144, while the sum is 62.

The spelling of 1288724448419 in words is "one trillion, two hundred eighty-eight billion, seven hundred twenty-four million, four hundred forty-eight thousand, four hundred nineteen".