11271949393 has 2 divisors, whose sum is σ = 11271949394. Its totient is φ = 11271949392.

The previous prime is 11271949343. The next prime is 11271949427. The reversal of 11271949393 is 39394917211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11229217024 + 42732369 = 105968^2 + 6537^2 .

It is a cyclic number.

It is not a de Polignac number, because 11271949393 - 2²⁹ = 10735078481 is a prime.

It is not a weakly prime, because it can be changed into another prime (11271949343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635974696 + 5635974697.

It is an arithmetic number, because the mean of its divisors is an integer number (5635974697).

Almost surely, 2^11271949393 is an apocalyptic number.

It is an amenable number.

11271949393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11271949393 is an equidigital number, since it uses as much as digits as its factorization.

11271949393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 49.

The spelling of 11271949393 in words is "eleven billion, two hundred seventy-one million, nine hundred forty-nine thousand, three hundred ninety-three".