419743853 has 2 divisors, whose sum is σ = 419743854. Its totient is φ = 419743852.

The previous prime is 419743823. The next prime is 419743897. The reversal of 419743853 is 358347914.

It is an a-pointer prime, because the next prime (419743897) can be obtained adding 419743853 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287539849 + 132204004 = 16957^2 + 11498^2 .

It is a cyclic number.

It is not a de Polignac number, because 419743853 - 2⁶ = 419743789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419743823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209871926 + 209871927.

It is an arithmetic number, because the mean of its divisors is an integer number (209871927).

Almost surely, 2^419743853 is an apocalyptic number.

It is an amenable number.

419743853 is a deficient number, since it is larger than the sum of its proper divisors (1).

419743853 is an equidigital number, since it uses as much as digits as its factorization.

419743853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 419743853 is about 20487.6512319006. The cubic root of 419743853 is about 748.7349655241.

The spelling of 419743853 in words is "four hundred nineteen million, seven hundred forty-three thousand, eight hundred fifty-three".