2305639013 has 2 divisors, whose sum is σ = 2305639014. Its totient is φ = 2305639012.

The previous prime is 2305638983. The next prime is 2305639027. The reversal of 2305639013 is 3109365032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2305632289 + 6724 = 48017^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 2305639013 - 2⁶ = 2305638949 is a prime.

It is a super-2 number, since 2×2305639013² = 10631942516535228338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2305639033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152819506 + 1152819507.

It is an arithmetic number, because the mean of its divisors is an integer number (1152819507).

Almost surely, 2^2305639013 is an apocalyptic number.

It is an amenable number.

2305639013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2305639013 is an equidigital number, since it uses as much as digits as its factorization.

2305639013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 2305639013 is about 48017.0700168180. The cubic root of 2305639013 is about 1321.0840140771.

The spelling of 2305639013 in words is "two billion, three hundred five million, six hundred thirty-nine thousand, thirteen".