2140044313453 has 2 divisors, whose sum is σ = 2140044313454. Its totient is φ = 2140044313452.

The previous prime is 2140044313417. The next prime is 2140044313457. The reversal of 2140044313453 is 3543134400412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2138575737769 + 1468575684 = 1462387^2 + 38322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140044313453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140044313457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070022156726 + 1070022156727.

It is an arithmetic number, because the mean of its divisors is an integer number (1070022156727).

Almost surely, 2^{2140044313453} is an apocalyptic number.

It is an amenable number.

2140044313453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140044313453 is an equidigital number, since it uses as much as digits as its factorization.

2140044313453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 2140044313453 its reverse (3543134400412), we get a palindrome (5683178713865).

The spelling of 2140044313453 in words is "two trillion, one hundred forty billion, forty-four million, three hundred thirteen thousand, four hundred fifty-three".