1244027412893 has 2 divisors, whose sum is σ = 1244027412894. Its totient is φ = 1244027412892.

The previous prime is 1244027412883. The next prime is 1244027412899. The reversal of 1244027412893 is 3982147204421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1150560860164 + 93466552729 = 1072642^2 + 305723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244027412893 - 2¹² = 1244027408797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244027412899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622013706446 + 622013706447.

It is an arithmetic number, because the mean of its divisors is an integer number (622013706447).

Almost surely, 2^{1244027412893} is an apocalyptic number.

It is an amenable number.

1244027412893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244027412893 is an equidigital number, since it uses as much as digits as its factorization.

1244027412893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 1244027412893 in words is "one trillion, two hundred forty-four billion, twenty-seven million, four hundred twelve thousand, eight hundred ninety-three".