11404211993 has 2 divisors, whose sum is σ = 11404211994. Its totient is φ = 11404211992.

The previous prime is 11404211989. The next prime is 11404212041. The reversal of 11404211993 is 39911240411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9306846784 + 2097365209 = 96472^2 + 45797^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404211993 - 2² = 11404211989 is a prime.

It is not a weakly prime, because it can be changed into another prime (11404211953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702105996 + 5702105997.

It is an arithmetic number, because the mean of its divisors is an integer number (5702105997).

Almost surely, 2^11404211993 is an apocalyptic number.

It is an amenable number.

11404211993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404211993 is an equidigital number, since it uses as much as digits as its factorization.

11404211993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 11404211993 in words is "eleven billion, four hundred four million, two hundred eleven thousand, nine hundred ninety-three".