416268491 has 2 divisors, whose sum is σ = 416268492. Its totient is φ = 416268490.

The previous prime is 416268481. The next prime is 416268497. The reversal of 416268491 is 194862614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 416268491 - 2⁶ = 416268427 is a prime.

It is a super-3 number, since 3×416268491³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (416268497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208134245 + 208134246.

It is an arithmetic number, because the mean of its divisors is an integer number (208134246).

Almost surely, 2^416268491 is an apocalyptic number.

416268491 is a deficient number, since it is larger than the sum of its proper divisors (1).

416268491 is an equidigital number, since it uses as much as digits as its factorization.

416268491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 416268491 is about 20402.6589198565. The cubic root of 416268491 is about 746.6627970897.

The spelling of 416268491 in words is "four hundred sixteen million, two hundred sixty-eight thousand, four hundred ninety-one".