419492690857 has 2 divisors, whose sum is σ = 419492690858. Its totient is φ = 419492690856.

The previous prime is 419492690797. The next prime is 419492690891. The reversal of 419492690857 is 758096294914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379085258601 + 40407432256 = 615699^2 + 201016^2 .

It is a cyclic number.

It is not a de Polignac number, because 419492690857 - 2¹¹ = 419492688809 is a prime.

It is not a weakly prime, because it can be changed into another prime (419492690657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209746345428 + 209746345429.

It is an arithmetic number, because the mean of its divisors is an integer number (209746345429).

Almost surely, 2^419492690857 is an apocalyptic number.

It is an amenable number.

419492690857 is a deficient number, since it is larger than the sum of its proper divisors (1).

419492690857 is an equidigital number, since it uses as much as digits as its factorization.

419492690857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 419492690857 in words is "four hundred nineteen billion, four hundred ninety-two million, six hundred ninety thousand, eight hundred fifty-seven".