1024423253449 has 2 divisors, whose sum is σ = 1024423253450. Its totient is φ = 1024423253448.

The previous prime is 1024423253423. The next prime is 1024423253461. The reversal of 1024423253449 is 9443523244201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017612877824 + 6810375625 = 1008768^2 + 82525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024423253449 - 2³⁵ = 990063515081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1024423253489) 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, 512211626724 + 512211626725.

It is an arithmetic number, because the mean of its divisors is an integer number (512211626725).

Almost surely, 2^{1024423253449} is an apocalyptic number.

It is an amenable number.

1024423253449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024423253449 is an equidigital number, since it uses as much as digits as its factorization.

1024423253449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 43.

It can be divided in two parts, 10244232 and 53449, that added together give a square (10297681 = 3209²).

The spelling of 1024423253449 in words is "one trillion, twenty-four billion, four hundred twenty-three million, two hundred fifty-three thousand, four hundred forty-nine".