419553749 has 2 divisors, whose sum is σ = 419553750. Its totient is φ = 419553748.

The previous prime is 419553733. The next prime is 419553803. The reversal of 419553749 is 947355914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309513649 + 110040100 = 17593^2 + 10490^2 .

It is a cyclic number.

It is not a de Polignac number, because 419553749 - 2⁴ = 419553733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419553049) 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, 209776874 + 209776875.

It is an arithmetic number, because the mean of its divisors is an integer number (209776875).

Almost surely, 2^419553749 is an apocalyptic number.

It is an amenable number.

419553749 is a deficient number, since it is larger than the sum of its proper divisors (1).

419553749 is an equidigital number, since it uses as much as digits as its factorization.

419553749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 419553749 is about 20483.0112288208. The cubic root of 419553749 is about 748.6219132386.

The spelling of 419553749 in words is "four hundred nineteen million, five hundred fifty-three thousand, seven hundred forty-nine".