934921849 has 2 divisors, whose sum is σ = 934921850. Its totient is φ = 934921848.

The previous prime is 934921843. The next prime is 934921853. The reversal of 934921849 is 948129439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570875449 + 364046400 = 23893^2 + 19080^2 .

It is an emirp because it is prime and its reverse (948129439) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 934921849 - 2¹⁷ = 934790777 is a prime.

It is not a weakly prime, because it can be changed into another prime (934921843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467460924 + 467460925.

It is an arithmetic number, because the mean of its divisors is an integer number (467460925).

Almost surely, 2^934921849 is an apocalyptic number.

It is an amenable number.

934921849 is a deficient number, since it is larger than the sum of its proper divisors (1).

934921849 is an equidigital number, since it uses as much as digits as its factorization.

934921849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 49.

The square root of 934921849 is about 30576.4917706397. The cubic root of 934921849 is about 977.8189204073.

The spelling of 934921849 in words is "nine hundred thirty-four million, nine hundred twenty-one thousand, eight hundred forty-nine".