11021433439 has 2 divisors, whose sum is σ = 11021433440. Its totient is φ = 11021433438.

The previous prime is 11021433413. The next prime is 11021433461. The reversal of 11021433439 is 93433412011.

It is a strong prime.

It is an emirp because it is prime and its reverse (93433412011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11021433439 - 2⁵ = 11021433407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11021433439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11021433139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510716719 + 5510716720.

It is an arithmetic number, because the mean of its divisors is an integer number (5510716720).

Almost surely, 2^11021433439 is an apocalyptic number.

11021433439 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021433439 is an equidigital number, since it uses as much as digits as its factorization.

11021433439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 11021433439 in words is "eleven billion, twenty-one million, four hundred thirty-three thousand, four hundred thirty-nine".