1043142366493 has 2 divisors, whose sum is σ = 1043142366494. Its totient is φ = 1043142366492.

The previous prime is 1043142366457. The next prime is 1043142366527. The reversal of 1043142366493 is 3946632413401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 859631228569 + 183511137924 = 927163^2 + 428382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043142366493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043142366293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521571183246 + 521571183247.

It is an arithmetic number, because the mean of its divisors is an integer number (521571183247).

Almost surely, 2^{1043142366493} is an apocalyptic number.

It is an amenable number.

1043142366493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043142366493 is an equidigital number, since it uses as much as digits as its factorization.

1043142366493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 46.

Adding to 1043142366493 its reverse (3946632413401), we get a palindrome (4989774779894).

The spelling of 1043142366493 in words is "one trillion, forty-three billion, one hundred forty-two million, three hundred sixty-six thousand, four hundred ninety-three".