416544769 has 2 divisors, whose sum is σ = 416544770. Its totient is φ = 416544768.

The previous prime is 416544763. The next prime is 416544797. The reversal of 416544769 is 967445614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415670544 + 874225 = 20388^2 + 935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416544769 is a prime.

It is a super-2 number, since 2×416544769² = 347019089162526722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (416544763) 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, 208272384 + 208272385.

It is an arithmetic number, because the mean of its divisors is an integer number (208272385).

Almost surely, 2^416544769 is an apocalyptic number.

It is an amenable number.

416544769 is a deficient number, since it is larger than the sum of its proper divisors (1).

416544769 is an equidigital number, since it uses as much as digits as its factorization.

416544769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 416544769 is about 20409.4284339371. The cubic root of 416544769 is about 746.8279476179.

The spelling of 416544769 in words is "four hundred sixteen million, five hundred forty-four thousand, seven hundred sixty-nine".