934140409 has 2 divisors, whose sum is σ = 934140410. Its totient is φ = 934140408.

The previous prime is 934140359. The next prime is 934140461. The reversal of 934140409 is 904041439.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752295184 + 181845225 = 27428^2 + 13485^2 .

It is a cyclic number.

It is not a de Polignac number, because 934140409 - 2⁹ = 934139897 is a prime.

It is not a weakly prime, because it can be changed into another prime (934140479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467070204 + 467070205.

It is an arithmetic number, because the mean of its divisors is an integer number (467070205).

Almost surely, 2^934140409 is an apocalyptic number.

It is an amenable number.

934140409 is a deficient number, since it is larger than the sum of its proper divisors (1).

934140409 is an equidigital number, since it uses as much as digits as its factorization.

934140409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 934140409 is about 30563.7106549581. The cubic root of 934140409 is about 977.5464128511.

The spelling of 934140409 in words is "nine hundred thirty-four million, one hundred forty thousand, four hundred nine".