11392438049 has 2 divisors, whose sum is σ = 11392438050. Its totient is φ = 11392438048.

The previous prime is 11392438009. The next prime is 11392438111. The reversal of 11392438049 is 94083429311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6315163024 + 5077275025 = 79468^2 + 71255^2 .

It is an emirp because it is prime and its reverse (94083429311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11392438049 - 2²⁰ = 11391389473 is a prime.

It is not a weakly prime, because it can be changed into another prime (11392438009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5696219024 + 5696219025.

It is an arithmetic number, because the mean of its divisors is an integer number (5696219025).

Almost surely, 2^11392438049 is an apocalyptic number.

It is an amenable number.

11392438049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11392438049 is an equidigital number, since it uses as much as digits as its factorization.

11392438049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 11392438049 in words is "eleven billion, three hundred ninety-two million, four hundred thirty-eight thousand, forty-nine".