447989051 has 2 divisors, whose sum is σ = 447989052. Its totient is φ = 447989050.

The previous prime is 447989021. The next prime is 447989057. The reversal of 447989051 is 150989744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447989051 - 2⁶ = 447988987 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 447988987 and 447989005.

It is not a weakly prime, because it can be changed into another prime (447989057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223994525 + 223994526.

It is an arithmetic number, because the mean of its divisors is an integer number (223994526).

Almost surely, 2^447989051 is an apocalyptic number.

447989051 is a deficient number, since it is larger than the sum of its proper divisors (1).

447989051 is an equidigital number, since it uses as much as digits as its factorization.

447989051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 447989051 is about 21165.7518411230. The cubic root of 447989051 is about 765.1662395214.

The spelling of 447989051 in words is "four hundred forty-seven million, nine hundred eighty-nine thousand, fifty-one".