11423577749 has 2 divisors, whose sum is σ = 11423577750. Its totient is φ = 11423577748.

The previous prime is 11423577713. The next prime is 11423577793. The reversal of 11423577749 is 94777532411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11421196900 + 2380849 = 106870^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 11423577749 - 2⁸ = 11423577493 is a prime.

It is a super-3 number, since 3×11423577749³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11423577697 and 11423577706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11423577799) 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, 5711788874 + 5711788875.

It is an arithmetic number, because the mean of its divisors is an integer number (5711788875).

Almost surely, 2^11423577749 is an apocalyptic number.

It is an amenable number.

11423577749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423577749 is an equidigital number, since it uses as much as digits as its factorization.

11423577749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 50.

The spelling of 11423577749 in words is "eleven billion, four hundred twenty-three million, five hundred seventy-seven thousand, seven hundred forty-nine".