1724431109 has 2 divisors, whose sum is σ = 1724431110. Its totient is φ = 1724431108.

The previous prime is 1724431069. The next prime is 1724431123. The reversal of 1724431109 is 9011344271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1722499009 + 1932100 = 41503^2 + 1390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1724431109 - 2²⁰ = 1723382533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1724431129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862215554 + 862215555.

It is an arithmetic number, because the mean of its divisors is an integer number (862215555).

Almost surely, 2^1724431109 is an apocalyptic number.

It is an amenable number.

1724431109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1724431109 is an equidigital number, since it uses as much as digits as its factorization.

1724431109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1724431109 is about 41526.2701070058. The cubic root of 1724431109 is about 1199.1732984253.

The spelling of 1724431109 in words is "one billion, seven hundred twenty-four million, four hundred thirty-one thousand, one hundred nine".