447650039 has 2 divisors, whose sum is σ = 447650040. Its totient is φ = 447650038.

The previous prime is 447650023. The next prime is 447650057. The reversal of 447650039 is 930056744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447650039 - 2⁴ = 447650023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 447649984 and 447650011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447650059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223825019 + 223825020.

It is an arithmetic number, because the mean of its divisors is an integer number (223825020).

Almost surely, 2^447650039 is an apocalyptic number.

447650039 is a deficient number, since it is larger than the sum of its proper divisors (1).

447650039 is an equidigital number, since it uses as much as digits as its factorization.

447650039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 447650039 is about 21157.7418218486. The cubic root of 447650039 is about 764.9731797452.

The spelling of 447650039 in words is "four hundred forty-seven million, six hundred fifty thousand, thirty-nine".