11883849997 has 2 divisors, whose sum is σ = 11883849998. Its totient is φ = 11883849996.

The previous prime is 11883849979. The next prime is 11883850001. The reversal of 11883849997 is 79994838811.

Together with previous prime (11883849979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10253790121 + 1630059876 = 101261^2 + 40374^2 .

It is an emirp because it is prime and its reverse (79994838811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11883849997 - 2¹¹ = 11883847949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11883849947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5941924998 + 5941924999.

It is an arithmetic number, because the mean of its divisors is an integer number (5941924999).

Almost surely, 2^11883849997 is an apocalyptic number.

It is an amenable number.

11883849997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11883849997 is an equidigital number, since it uses as much as digits as its factorization.

11883849997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 67.

The spelling of 11883849997 in words is "eleven billion, eight hundred eighty-three million, eight hundred forty-nine thousand, nine hundred ninety-seven".