11276709949 has 2 divisors, whose sum is σ = 11276709950. Its totient is φ = 11276709948.

The previous prime is 11276709937. The next prime is 11276709973. The reversal of 11276709949 is 94990767211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10915025625 + 361684324 = 104475^2 + 19018^2 .

It is a cyclic number.

It is not a de Polignac number, because 11276709949 - 2¹⁷ = 11276578877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11276709949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11276709449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5638354974 + 5638354975.

It is an arithmetic number, because the mean of its divisors is an integer number (5638354975).

Almost surely, 2^11276709949 is an apocalyptic number.

It is an amenable number.

11276709949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11276709949 is an equidigital number, since it uses as much as digits as its factorization.

11276709949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The spelling of 11276709949 in words is "eleven billion, two hundred seventy-six million, seven hundred nine thousand, nine hundred forty-nine".