5426431609 has 2 divisors, whose sum is σ = 5426431610. Its totient is φ = 5426431608.

The previous prime is 5426431601. The next prime is 5426431651. The reversal of 5426431609 is 9061346245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4994955625 + 431475984 = 70675^2 + 20772^2 .

It is a cyclic number.

It is not a de Polignac number, because 5426431609 - 2³ = 5426431601 is a prime.

It is not a weakly prime, because it can be changed into another prime (5426431601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713215804 + 2713215805.

It is an arithmetic number, because the mean of its divisors is an integer number (2713215805).

Almost surely, 2^5426431609 is an apocalyptic number.

It is an amenable number.

5426431609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5426431609 is an equidigital number, since it uses as much as digits as its factorization.

5426431609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 5426431609 is about 73664.3170673563. The cubic root of 5426431609 is about 1757.2684479719.

The spelling of 5426431609 in words is "five billion, four hundred twenty-six million, four hundred thirty-one thousand, six hundred nine".