419797766057 has 2 divisors, whose sum is σ = 419797766058. Its totient is φ = 419797766056.

The previous prime is 419797766041. The next prime is 419797766081. The reversal of 419797766057 is 750667797914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375200351296 + 44597414761 = 612536^2 + 211181^2 .

It is a cyclic number.

It is not a de Polignac number, because 419797766057 - 2⁴ = 419797766041 is a prime.

It is not a weakly prime, because it can be changed into another prime (419797766257) 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, 209898883028 + 209898883029.

It is an arithmetic number, because the mean of its divisors is an integer number (209898883029).

Almost surely, 2^419797766057 is an apocalyptic number.

It is an amenable number.

419797766057 is a deficient number, since it is larger than the sum of its proper divisors (1).

419797766057 is an equidigital number, since it uses as much as digits as its factorization.

419797766057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140026320, while the sum is 68.

The spelling of 419797766057 in words is "four hundred nineteen billion, seven hundred ninety-seven million, seven hundred sixty-six thousand, fifty-seven".