419953769 has 2 divisors, whose sum is σ = 419953770. Its totient is φ = 419953768.

The previous prime is 419953753. The next prime is 419953777. The reversal of 419953769 is 967359914.

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., 240715225 + 179238544 = 15515^2 + 13388^2 .

It is a cyclic number.

It is not a de Polignac number, because 419953769 - 2⁴ = 419953753 is a prime.

It is a super-2 number, since 2×419953769² = 352722336194610722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 419953769.

It is not a weakly prime, because it can be changed into another prime (419953739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209976884 + 209976885.

It is an arithmetic number, because the mean of its divisors is an integer number (209976885).

Almost surely, 2^419953769 is an apocalyptic number.

It is an amenable number.

419953769 is a deficient number, since it is larger than the sum of its proper divisors (1).

419953769 is an equidigital number, since it uses as much as digits as its factorization.

419953769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 53.

The square root of 419953769 is about 20492.7735799720. The cubic root of 419953769 is about 748.8597600898.

The spelling of 419953769 in words is "four hundred nineteen million, nine hundred fifty-three thousand, seven hundred sixty-nine".