416669399 has 2 divisors, whose sum is σ = 416669400. Its totient is φ = 416669398.

The previous prime is 416669389. The next prime is 416669423. The reversal of 416669399 is 993966614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 416669399 - 2¹² = 416665303 is a prime.

It is a super-2 number, since 2×416669399² = 347226776126042402, which contains 22 as substring.

It is a Sophie Germain prime.

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 416669399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416669359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208334699 + 208334700.

It is an arithmetic number, because the mean of its divisors is an integer number (208334700).

Almost surely, 2^416669399 is an apocalyptic number.

416669399 is a deficient number, since it is larger than the sum of its proper divisors (1).

416669399 is an equidigital number, since it uses as much as digits as its factorization.

416669399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The square root of 416669399 is about 20412.4814513082. The cubic root of 416669399 is about 746.9024237148.

The spelling of 416669399 in words is "four hundred sixteen million, six hundred sixty-nine thousand, three hundred ninety-nine".