445679263 has 2 divisors, whose sum is σ = 445679264. Its totient is φ = 445679262.

The previous prime is 445679261. The next prime is 445679341. The reversal of 445679263 is 362976544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445679263 - 2¹ = 445679261 is a prime.

It is a super-3 number, since 3×445679263³ (a number of 27 digits) contains 333 as substring.

Together with 445679261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445679261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222839631 + 222839632.

It is an arithmetic number, because the mean of its divisors is an integer number (222839632).

Almost surely, 2^445679263 is an apocalyptic number.

445679263 is a deficient number, since it is larger than the sum of its proper divisors (1).

445679263 is an equidigital number, since it uses as much as digits as its factorization.

445679263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 46.

The square root of 445679263 is about 21111.1170476600. The cubic root of 445679263 is about 763.8489320334.

The spelling of 445679263 in words is "four hundred forty-five million, six hundred seventy-nine thousand, two hundred sixty-three".