1042253440013 has 2 divisors, whose sum is σ = 1042253440014. Its totient is φ = 1042253440012.

The previous prime is 1042253439949. The next prime is 1042253440027. The reversal of 1042253440013 is 3100443522401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018942868329 + 23310571684 = 1009427^2 + 152678^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042253440013 - 2⁶ = 1042253439949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042253440073) 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, 521126720006 + 521126720007.

It is an arithmetic number, because the mean of its divisors is an integer number (521126720007).

Almost surely, 2^{1042253440013} is an apocalyptic number.

It is an amenable number.

1042253440013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042253440013 is an equidigital number, since it uses as much as digits as its factorization.

1042253440013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1042253440013 its reverse (3100443522401), we get a palindrome (4142696962414).

The spelling of 1042253440013 in words is "one trillion, forty-two billion, two hundred fifty-three million, four hundred forty thousand, thirteen".