445514969 has 2 divisors, whose sum is σ = 445514970. Its totient is φ = 445514968.

The previous prime is 445514957. The next prime is 445514977. The reversal of 445514969 is 969415544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270931600 + 174583369 = 16460^2 + 13213^2 .

It is a cyclic number.

It is not a de Polignac number, because 445514969 - 2¹² = 445510873 is a prime.

It is a super-2 number, since 2×445514969² = 396967175206141922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (445594969) 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, 222757484 + 222757485.

It is an arithmetic number, because the mean of its divisors is an integer number (222757485).

Almost surely, 2^445514969 is an apocalyptic number.

It is an amenable number.

445514969 is a deficient number, since it is larger than the sum of its proper divisors (1).

445514969 is an equidigital number, since it uses as much as digits as its factorization.

445514969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 47.

The square root of 445514969 is about 21107.2255163960. The cubic root of 445514969 is about 763.7550594283.

The spelling of 445514969 in words is "four hundred forty-five million, five hundred fourteen thousand, nine hundred sixty-nine".