11903094449 has 2 divisors, whose sum is σ = 11903094450. Its totient is φ = 11903094448.

The previous prime is 11903094439. The next prime is 11903094451. The reversal of 11903094449 is 94449030911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9654438049 + 2248656400 = 98257^2 + 47420^2 .

It is a cyclic number.

It is not a de Polignac number, because 11903094449 - 2⁴ = 11903094433 is a prime.

It is a super-2 number, since 2×11903094449² (a number of 21 digits) contains 22 as substring.

Together with 11903094451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11903094439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5951547224 + 5951547225.

It is an arithmetic number, because the mean of its divisors is an integer number (5951547225).

Almost surely, 2^11903094449 is an apocalyptic number.

It is an amenable number.

11903094449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11903094449 is an equidigital number, since it uses as much as digits as its factorization.

11903094449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 11903094449 in words is "eleven billion, nine hundred three million, ninety-four thousand, four hundred forty-nine".