419501040689 has 2 divisors, whose sum is σ = 419501040690. Its totient is φ = 419501040688.

The previous prime is 419501040677. The next prime is 419501040691. The reversal of 419501040689 is 986040105914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393831553600 + 25669487089 = 627560^2 + 160217^2 .

It is a cyclic number.

It is not a de Polignac number, because 419501040689 - 2³⁶ = 350781563953 is a prime.

It is a super-2 number, since 2×419501040689² (a number of 24 digits) contains 22 as substring.

Together with 419501040691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (419501040649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209750520344 + 209750520345.

It is an arithmetic number, because the mean of its divisors is an integer number (209750520345).

Almost surely, 2^419501040689 is an apocalyptic number.

It is an amenable number.

419501040689 is a deficient number, since it is larger than the sum of its proper divisors (1).

419501040689 is an equidigital number, since it uses as much as digits as its factorization.

419501040689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 419501040689 in words is "four hundred nineteen billion, five hundred one million, forty thousand, six hundred eighty-nine".