2491839307 has 2 divisors, whose sum is σ = 2491839308. Its totient is φ = 2491839306.

The previous prime is 2491839281. The next prime is 2491839349. The reversal of 2491839307 is 7039381942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2491839307 - 2¹¹ = 2491837259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2491839907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245919653 + 1245919654.

It is an arithmetic number, because the mean of its divisors is an integer number (1245919654).

Almost surely, 2^2491839307 is an apocalyptic number.

2491839307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2491839307 is an equidigital number, since it uses as much as digits as its factorization.

2491839307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 2491839307 is about 49918.3263641721. The cubic root of 2491839307 is about 1355.7304299269.

The spelling of 2491839307 in words is "two billion, four hundred ninety-one million, eight hundred thirty-nine thousand, three hundred seven".