419919953 has 2 divisors, whose sum is σ = 419919954. Its totient is φ = 419919952.

The previous prime is 419919853. The next prime is 419919961. The reversal of 419919953 is 359919914.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377252929 + 42667024 = 19423^2 + 6532^2 .

It is a cyclic number.

It is not a de Polignac number, because 419919953 - 2¹⁰ = 419918929 is a prime.

It is not a weakly prime, because it can be changed into another prime (419919653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209959976 + 209959977.

It is an arithmetic number, because the mean of its divisors is an integer number (209959977).

Almost surely, 2^419919953 is an apocalyptic number.

It is an amenable number.

419919953 is a deficient number, since it is larger than the sum of its proper divisors (1).

419919953 is an equidigital number, since it uses as much as digits as its factorization.

419919953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393660, while the sum is 50.

The square root of 419919953 is about 20491.9484920297. The cubic root of 419919953 is about 748.8396593682.

The spelling of 419919953 in words is "four hundred nineteen million, nine hundred nineteen thousand, nine hundred fifty-three".