447094993 has 2 divisors, whose sum is σ = 447094994. Its totient is φ = 447094992.

The previous prime is 447094981. The next prime is 447095017. The reversal of 447094993 is 399490744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313183809 + 133911184 = 17697^2 + 11572^2 .

It is a cyclic number.

It is not a de Polignac number, because 447094993 - 2⁵ = 447094961 is a prime.

It is not a weakly prime, because it can be changed into another prime (447094093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223547496 + 223547497.

It is an arithmetic number, because the mean of its divisors is an integer number (223547497).

Almost surely, 2^447094993 is an apocalyptic number.

It is an amenable number.

447094993 is a deficient number, since it is larger than the sum of its proper divisors (1).

447094993 is an equidigital number, since it uses as much as digits as its factorization.

447094993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 447094993 is about 21144.6208998885. The cubic root of 447094993 is about 764.6568828807.

The spelling of 447094993 in words is "four hundred forty-seven million, ninety-four thousand, nine hundred ninety-three".