2431346909 has 2 divisors, whose sum is σ = 2431346910. Its totient is φ = 2431346908.

The previous prime is 2431346899. The next prime is 2431346977. The reversal of 2431346909 is 9096431342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1780586809 + 650760100 = 42197^2 + 25510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431346909 - 2⁸ = 2431346653 is a prime.

It is a super-2 number, since 2×2431346909² = 11822895583807708562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2431346509) 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, 1215673454 + 1215673455.

It is an arithmetic number, because the mean of its divisors is an integer number (1215673455).

Almost surely, 2^2431346909 is an apocalyptic number.

It is an amenable number.

2431346909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431346909 is an equidigital number, since it uses as much as digits as its factorization.

2431346909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 2431346909 is about 49308.6899947666. The cubic root of 2431346909 is about 1344.6697749755.

The spelling of 2431346909 in words is "two billion, four hundred thirty-one million, three hundred forty-six thousand, nine hundred nine".