2429321009 has 2 divisors, whose sum is σ = 2429321010. Its totient is φ = 2429321008.

The previous prime is 2429320979. The next prime is 2429321071. The reversal of 2429321009 is 9001239242.

2429321009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1462297600 + 967023409 = 38240^2 + 31097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2429321009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2429323009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214660504 + 1214660505.

It is an arithmetic number, because the mean of its divisors is an integer number (1214660505).

Almost surely, 2^2429321009 is an apocalyptic number.

It is an amenable number.

2429321009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2429321009 is an equidigital number, since it uses as much as digits as its factorization.

2429321009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2429321009 is about 49288.1426815821. The cubic root of 2429321009 is about 1344.2961928172.

The spelling of 2429321009 in words is "two billion, four hundred twenty-nine million, three hundred twenty-one thousand, nine".