2305849639 has 2 divisors, whose sum is σ = 2305849640. Its totient is φ = 2305849638.

The previous prime is 2305849573. The next prime is 2305849691. The reversal of 2305849639 is 9369485032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2305849639 - 2⁹ = 2305849127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2305849592 and 2305849601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2305841639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152924819 + 1152924820.

It is an arithmetic number, because the mean of its divisors is an integer number (1152924820).

Almost surely, 2^2305849639 is an apocalyptic number.

2305849639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2305849639 is an equidigital number, since it uses as much as digits as its factorization.

2305849639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 2305849639 is about 48019.2632075920. The cubic root of 2305849639 is about 1321.1242409827.

The spelling of 2305849639 in words is "two billion, three hundred five million, eight hundred forty-nine thousand, six hundred thirty-nine".