11340742849 has 2 divisors, whose sum is σ = 11340742850. Its totient is φ = 11340742848.

The previous prime is 11340742811. The next prime is 11340742913. The reversal of 11340742849 is 94824704311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7488306225 + 3852436624 = 86535^2 + 62068^2 .

It is a cyclic number.

It is not a de Polignac number, because 11340742849 - 2²¹ = 11338645697 is a prime.

It is a super-2 number, since 2×11340742849² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11340742649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670371424 + 5670371425.

It is an arithmetic number, because the mean of its divisors is an integer number (5670371425).

Almost surely, 2^11340742849 is an apocalyptic number.

It is an amenable number.

11340742849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11340742849 is an equidigital number, since it uses as much as digits as its factorization.

11340742849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 11340742849 in words is "eleven billion, three hundred forty million, seven hundred forty-two thousand, eight hundred forty-nine".