1167141421493 has 2 divisors, whose sum is σ = 1167141421494. Its totient is φ = 1167141421492.

The previous prime is 1167141421421. The next prime is 1167141421601. The reversal of 1167141421493 is 3941241417611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1164504290884 + 2637130609 = 1079122^2 + 51353^2 .

It is an emirp because it is prime and its reverse (3941241417611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1167141421493 - 2¹⁰ = 1167141420469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167141421403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583570710746 + 583570710747.

It is an arithmetic number, because the mean of its divisors is an integer number (583570710747).

Almost surely, 2^{1167141421493} is an apocalyptic number.

It is an amenable number.

1167141421493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167141421493 is an equidigital number, since it uses as much as digits as its factorization.

1167141421493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The spelling of 1167141421493 in words is "one trillion, one hundred sixty-seven billion, one hundred forty-one million, four hundred twenty-one thousand, four hundred ninety-three".