2308939247 has 2 divisors, whose sum is σ = 2308939248. Its totient is φ = 2308939246.

The previous prime is 2308939187. The next prime is 2308939279. The reversal of 2308939247 is 7429398032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2308939247 - 2¹⁰ = 2308938223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2308939447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154469623 + 1154469624.

It is an arithmetic number, because the mean of its divisors is an integer number (1154469624).

Almost surely, 2^2308939247 is an apocalyptic number.

2308939247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2308939247 is an equidigital number, since it uses as much as digits as its factorization.

2308939247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 2308939247 is about 48051.4229445913. The cubic root of 2308939247 is about 1321.7140357757.

The spelling of 2308939247 in words is "two billion, three hundred eight million, nine hundred thirty-nine thousand, two hundred forty-seven".