5394321409 has 2 divisors, whose sum is σ = 5394321410. Its totient is φ = 5394321408.

The previous prime is 5394321389. The next prime is 5394321419. The reversal of 5394321409 is 9041234935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3197337025 + 2196984384 = 56545^2 + 46872^2 .

It is a cyclic number.

It is not a de Polignac number, because 5394321409 - 2⁷ = 5394321281 is a prime.

It is not a weakly prime, because it can be changed into another prime (5394321419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2697160704 + 2697160705.

It is an arithmetic number, because the mean of its divisors is an integer number (2697160705).

Almost surely, 2^5394321409 is an apocalyptic number.

It is an amenable number.

5394321409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5394321409 is an equidigital number, since it uses as much as digits as its factorization.

5394321409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 5394321409 is about 73446.0442025301. The cubic root of 5394321409 is about 1753.7954531305.

The spelling of 5394321409 in words is "five billion, three hundred ninety-four million, three hundred twenty-one thousand, four hundred nine".