5431973609 has 2 divisors, whose sum is σ = 5431973610. Its totient is φ = 5431973608.

The previous prime is 5431973539. The next prime is 5431973647. The reversal of 5431973609 is 9063791345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5005138009 + 426835600 = 70747^2 + 20660^2 .

It is a cyclic number.

It is not a de Polignac number, because 5431973609 - 2¹⁶ = 5431908073 is a prime.

It is not a weakly prime, because it can be changed into another prime (5431973509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2715986804 + 2715986805.

It is an arithmetic number, because the mean of its divisors is an integer number (2715986805).

Almost surely, 2^5431973609 is an apocalyptic number.

It is an amenable number.

5431973609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5431973609 is an equidigital number, since it uses as much as digits as its factorization.

5431973609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 5431973609 is about 73701.9240522254. The cubic root of 5431973609 is about 1757.8664756091.

The spelling of 5431973609 in words is "five billion, four hundred thirty-one million, nine hundred seventy-three thousand, six hundred nine".