419095661 has 2 divisors, whose sum is σ = 419095662. Its totient is φ = 419095660.

The previous prime is 419095613. The next prime is 419095667. The reversal of 419095661 is 166590914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270109225 + 148986436 = 16435^2 + 12206^2 .

It is a cyclic number.

It is not a de Polignac number, because 419095661 - 2¹⁴ = 419079277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419095667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209547830 + 209547831.

It is an arithmetic number, because the mean of its divisors is an integer number (209547831).

Almost surely, 2^419095661 is an apocalyptic number.

It is an amenable number.

419095661 is a deficient number, since it is larger than the sum of its proper divisors (1).

419095661 is an equidigital number, since it uses as much as digits as its factorization.

419095661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 419095661 is about 20471.8260299369. The cubic root of 419095661 is about 748.3493541190.

The spelling of 419095661 in words is "four hundred nineteen million, ninety-five thousand, six hundred sixty-one".