11451246949 has 2 divisors, whose sum is σ = 11451246950. Its totient is φ = 11451246948.

The previous prime is 11451246901. The next prime is 11451246977. The reversal of 11451246949 is 94964215411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11391292900 + 59954049 = 106730^2 + 7743^2 .

It is a cyclic number.

It is not a de Polignac number, because 11451246949 - 2²⁷ = 11317029221 is a prime.

It is a super-2 number, since 2×11451246949² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11451246899 and 11451246908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11451246979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725623474 + 5725623475.

It is an arithmetic number, because the mean of its divisors is an integer number (5725623475).

Almost surely, 2^11451246949 is an apocalyptic number.

It is an amenable number.

11451246949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451246949 is an equidigital number, since it uses as much as digits as its factorization.

11451246949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The spelling of 11451246949 in words is "eleven billion, four hundred fifty-one million, two hundred forty-six thousand, nine hundred forty-nine".