2431427849 has 2 divisors, whose sum is σ = 2431427850. Its totient is φ = 2431427848.

The previous prime is 2431427833. The next prime is 2431427903. The reversal of 2431427849 is 9487241342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2366141449 + 65286400 = 48643^2 + 8080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431427849 - 2⁴ = 2431427833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2431427809) 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, 1215713924 + 1215713925.

It is an arithmetic number, because the mean of its divisors is an integer number (1215713925).

Almost surely, 2^2431427849 is an apocalyptic number.

It is an amenable number.

2431427849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431427849 is an equidigital number, since it uses as much as digits as its factorization.

2431427849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 44.

The square root of 2431427849 is about 49309.5107357597. The cubic root of 2431427849 is about 1344.6846962472.

The spelling of 2431427849 in words is "two billion, four hundred thirty-one million, four hundred twenty-seven thousand, eight hundred forty-nine".