2400434249 has 2 divisors, whose sum is σ = 2400434250. Its totient is φ = 2400434248.

The previous prime is 2400434203. The next prime is 2400434251. The reversal of 2400434249 is 9424340042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1607448649 + 792985600 = 40093^2 + 28160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2400434249 is a prime.

Together with 2400434251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2400436249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200217124 + 1200217125.

It is an arithmetic number, because the mean of its divisors is an integer number (1200217125).

Almost surely, 2^2400434249 is an apocalyptic number.

It is an amenable number.

2400434249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400434249 is an equidigital number, since it uses as much as digits as its factorization.

2400434249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2400434249 is about 48994.2266904990. The cubic root of 2400434249 is about 1338.9466454582.

The spelling of 2400434249 in words is "two billion, four hundred million, four hundred thirty-four thousand, two hundred forty-nine".