445475911 has 2 divisors, whose sum is σ = 445475912. Its totient is φ = 445475910.

The previous prime is 445475897. The next prime is 445475929. The reversal of 445475911 is 119574544.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445475911 - 2¹¹ = 445473863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445475941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222737955 + 222737956.

It is an arithmetic number, because the mean of its divisors is an integer number (222737956).

Almost surely, 2^445475911 is an apocalyptic number.

445475911 is a deficient number, since it is larger than the sum of its proper divisors (1).

445475911 is an equidigital number, since it uses as much as digits as its factorization.

445475911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 40.

The square root of 445475911 is about 21106.3002679295. The cubic root of 445475911 is about 763.7327394772.

The spelling of 445475911 in words is "four hundred forty-five million, four hundred seventy-five thousand, nine hundred eleven".