419099689 has 2 divisors, whose sum is σ = 419099690. Its totient is φ = 419099688.

The previous prime is 419099669. The next prime is 419099699. The reversal of 419099689 is 986990914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357210000 + 61889689 = 18900^2 + 7867^2 .

It is a cyclic number.

It is not a de Polignac number, because 419099689 - 2¹¹ = 419097641 is a prime.

It is not a weakly prime, because it can be changed into another prime (419099609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209549844 + 209549845.

It is an arithmetic number, because the mean of its divisors is an integer number (209549845).

Almost surely, 2^419099689 is an apocalyptic number.

It is an amenable number.

419099689 is a deficient number, since it is larger than the sum of its proper divisors (1).

419099689 is an equidigital number, since it uses as much as digits as its factorization.

419099689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The square root of 419099689 is about 20471.9244088093. The cubic root of 419099689 is about 748.3517516158.

The spelling of 419099689 in words is "four hundred nineteen million, ninety-nine thousand, six hundred eighty-nine".