1054243544413 has 2 divisors, whose sum is σ = 1054243544414. Its totient is φ = 1054243544412.

The previous prime is 1054243544399. The next prime is 1054243544449. The reversal of 1054243544413 is 3144453424501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 724265677444 + 329977866969 = 851038^2 + 574437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054243544413 is a prime.

It is a super-2 number, since 2×1054243544413² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054243541413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527121772206 + 527121772207.

It is an arithmetic number, because the mean of its divisors is an integer number (527121772207).

Almost surely, 2^{1054243544413} is an apocalyptic number.

It is an amenable number.

1054243544413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054243544413 is an equidigital number, since it uses as much as digits as its factorization.

1054243544413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 1054243544413 its reverse (3144453424501), we get a palindrome (4198696968914).

The spelling of 1054243544413 in words is "one trillion, fifty-four billion, two hundred forty-three million, five hundred forty-four thousand, four hundred thirteen".