11346643493 has 2 divisors, whose sum is σ = 11346643494. Its totient is φ = 11346643492.

The previous prime is 11346643439. The next prime is 11346643499. The reversal of 11346643493 is 39434664311.

It is a happy number.

Together with previous prime (11346643439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7314012484 + 4032631009 = 85522^2 + 63503^2 .

It is a cyclic number.

It is not a de Polignac number, because 11346643493 - 2²² = 11342449189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11346643499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5673321746 + 5673321747.

It is an arithmetic number, because the mean of its divisors is an integer number (5673321747).

Almost surely, 2^11346643493 is an apocalyptic number.

It is an amenable number.

11346643493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11346643493 is an equidigital number, since it uses as much as digits as its factorization.

11346643493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 44.

The spelling of 11346643493 in words is "eleven billion, three hundred forty-six million, six hundred forty-three thousand, four hundred ninety-three".