1249133560373 has 2 divisors, whose sum is σ = 1249133560374. Its totient is φ = 1249133560372.

The previous prime is 1249133560357. The next prime is 1249133560391. The reversal of 1249133560373 is 3730653319421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729729394564 + 519404165809 = 854242^2 + 720697^2 .

It is a cyclic number.

It is not a de Polignac number, because 1249133560373 - 2⁴ = 1249133560357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1249133560303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624566780186 + 624566780187.

It is an arithmetic number, because the mean of its divisors is an integer number (624566780187).

Almost surely, 2^{1249133560373} is an apocalyptic number.

It is an amenable number.

1249133560373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249133560373 is an equidigital number, since it uses as much as digits as its factorization.

1249133560373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 47.

Adding to 1249133560373 its reverse (3730653319421), we get a palindrome (4979786879794).

The spelling of 1249133560373 in words is "one trillion, two hundred forty-nine billion, one hundred thirty-three million, five hundred sixty thousand, three hundred seventy-three".