419639868013 has 2 divisors, whose sum is σ = 419639868014. Its totient is φ = 419639868012.

The previous prime is 419639867993. The next prime is 419639868077. The reversal of 419639868013 is 310868936914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419609859529 + 30008484 = 647773^2 + 5478^2 .

It is a cyclic number.

It is not a de Polignac number, because 419639868013 - 2⁹ = 419639867501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419639868913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209819934006 + 209819934007.

It is an arithmetic number, because the mean of its divisors is an integer number (209819934007).

Almost surely, 2^419639868013 is an apocalyptic number.

It is an amenable number.

419639868013 is a deficient number, since it is larger than the sum of its proper divisors (1).

419639868013 is an equidigital number, since it uses as much as digits as its factorization.

419639868013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 419639868013 in words is "four hundred nineteen billion, six hundred thirty-nine million, eight hundred sixty-eight thousand, thirteen".