11404344493 has 2 divisors, whose sum is σ = 11404344494. Its totient is φ = 11404344492.

The previous prime is 11404344491. The next prime is 11404344517. The reversal of 11404344493 is 39444340411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11386383849 + 17960644 = 106707^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404344493 - 2¹ = 11404344491 is a prime.

Together with 11404344491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11404344491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702172246 + 5702172247.

It is an arithmetic number, because the mean of its divisors is an integer number (5702172247).

Almost surely, 2^11404344493 is an apocalyptic number.

It is an amenable number.

11404344493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404344493 is an equidigital number, since it uses as much as digits as its factorization.

11404344493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 11404344493 in words is "eleven billion, four hundred four million, three hundred forty-four thousand, four hundred ninety-three".