447485135939 has 2 divisors, whose sum is σ = 447485135940. Its totient is φ = 447485135938.

The previous prime is 447485135897. The next prime is 447485135953. The reversal of 447485135939 is 939531584744.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447485135939 is a prime.

It is not a weakly prime, because it can be changed into another prime (447485035939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223742567969 + 223742567970.

It is an arithmetic number, because the mean of its divisors is an integer number (223742567970).

Almost surely, 2^447485135939 is an apocalyptic number.

447485135939 is a deficient number, since it is larger than the sum of its proper divisors (1).

447485135939 is an equidigital number, since it uses as much as digits as its factorization.

447485135939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 62.

The spelling of 447485135939 in words is "four hundred forty-seven billion, four hundred eighty-five million, one hundred thirty-five thousand, nine hundred thirty-nine".