4043126056493 has 2 divisors, whose sum is σ = 4043126056494. Its totient is φ = 4043126056492.

The previous prime is 4043126056481. The next prime is 4043126056513. The reversal of 4043126056493 is 3946506213404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2551312982089 + 1491813074404 = 1597283^2 + 1221398^2 .

It is a cyclic number.

It is not a de Polignac number, because 4043126056493 - 2¹⁸ = 4043125794349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043126056393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021563028246 + 2021563028247.

It is an arithmetic number, because the mean of its divisors is an integer number (2021563028247).

Almost surely, 2^{4043126056493} is an apocalyptic number.

It is an amenable number.

4043126056493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043126056493 is an equidigital number, since it uses as much as digits as its factorization.

4043126056493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 4043126056493 in words is "four trillion, forty-three billion, one hundred twenty-six million, fifty-six thousand, four hundred ninety-three".