939331194449 has 2 divisors, whose sum is σ = 939331194450. Its totient is φ = 939331194448.

The previous prime is 939331194421. The next prime is 939331194509. The reversal of 939331194449 is 944491133939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 937372512400 + 1958682049 = 968180^2 + 44257^2 .

It is a cyclic number.

It is not a de Polignac number, because 939331194449 - 2³⁶ = 870611717713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (939331194419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469665597224 + 469665597225.

It is an arithmetic number, because the mean of its divisors is an integer number (469665597225).

Almost surely, 2^939331194449 is an apocalyptic number.

It is an amenable number.

939331194449 is a deficient number, since it is larger than the sum of its proper divisors (1).

939331194449 is an equidigital number, since it uses as much as digits as its factorization.

939331194449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11337408, while the sum is 59.

The spelling of 939331194449 in words is "nine hundred thirty-nine billion, three hundred thirty-one million, one hundred ninety-four thousand, four hundred forty-nine".