5405344397 has 2 divisors, whose sum is σ = 5405344398. Its totient is φ = 5405344396.

The previous prime is 5405344339. The next prime is 5405344403. The reversal of 5405344397 is 7934435045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4447689481 + 957654916 = 66691^2 + 30946^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405344397 - 2¹⁰ = 5405343373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5405344297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702672198 + 2702672199.

It is an arithmetic number, because the mean of its divisors is an integer number (2702672199).

Almost surely, 2^5405344397 is an apocalyptic number.

It is an amenable number.

5405344397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405344397 is an equidigital number, since it uses as much as digits as its factorization.

5405344397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 44.

The square root of 5405344397 is about 73521.0473061966. The cubic root of 5405344397 is about 1754.9892340040.

The spelling of 5405344397 in words is "five billion, four hundred five million, three hundred forty-four thousand, three hundred ninety-seven".