1244250312553 has 2 divisors, whose sum is σ = 1244250312554. Its totient is φ = 1244250312552.

The previous prime is 1244250312541. The next prime is 1244250312607. The reversal of 1244250312553 is 3552130524421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1219416649984 + 24833662569 = 1104272^2 + 157587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244250312553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244250312353) 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, 622125156276 + 622125156277.

It is an arithmetic number, because the mean of its divisors is an integer number (622125156277).

Almost surely, 2^{1244250312553} is an apocalyptic number.

It is an amenable number.

1244250312553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244250312553 is an equidigital number, since it uses as much as digits as its factorization.

1244250312553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 1244250312553 its reverse (3552130524421), we get a palindrome (4796380836974).

The spelling of 1244250312553 in words is "one trillion, two hundred forty-four billion, two hundred fifty million, three hundred twelve thousand, five hundred fifty-three".