4019799913 has 2 divisors, whose sum is σ = 4019799914. Its totient is φ = 4019799912.

The previous prime is 4019799911. The next prime is 4019799929. The reversal of 4019799913 is 3199979104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3326636329 + 693163584 = 57677^2 + 26328^2 .

It is a cyclic number.

It is not a de Polignac number, because 4019799913 - 2¹ = 4019799911 is a prime.

Together with 4019799911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4019799911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009899956 + 2009899957.

It is an arithmetic number, because the mean of its divisors is an integer number (2009899957).

Almost surely, 2^4019799913 is an apocalyptic number.

It is an amenable number.

4019799913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4019799913 is an equidigital number, since it uses as much as digits as its factorization.

4019799913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 52.

The square root of 4019799913 is about 63401.8920301279. The cubic root of 4019799913 is about 1590.0159423793.

The spelling of 4019799913 in words is "four billion, nineteen million, seven hundred ninety-nine thousand, nine hundred thirteen".