2104423513 has 2 divisors, whose sum is σ = 2104423514. Its totient is φ = 2104423512.

The previous prime is 2104423511. The next prime is 2104423537. The reversal of 2104423513 is 3153244012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1973847184 + 130576329 = 44428^2 + 11427^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104423513 - 2¹ = 2104423511 is a prime.

It is a super-2 number, since 2×2104423513² = 8857196644134522338, which contains 22 as substring.

Together with 2104423511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2104423511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052211756 + 1052211757.

It is an arithmetic number, because the mean of its divisors is an integer number (1052211757).

Almost surely, 2^2104423513 is an apocalyptic number.

It is an amenable number.

2104423513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104423513 is an equidigital number, since it uses as much as digits as its factorization.

2104423513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2104423513 is about 45873.9960435103. The cubic root of 2104423513 is about 1281.4776865463.

Adding to 2104423513 its reverse (3153244012), we get a palindrome (5257667525).

The spelling of 2104423513 in words is "two billion, one hundred four million, four hundred twenty-three thousand, five hundred thirteen".