447290643959 has 2 divisors, whose sum is σ = 447290643960. Its totient is φ = 447290643958.

The previous prime is 447290643869. The next prime is 447290643973. The reversal of 447290643959 is 959346092744.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447290643959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447290643659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223645321979 + 223645321980.

It is an arithmetic number, because the mean of its divisors is an integer number (223645321980).

Almost surely, 2^447290643959 is an apocalyptic number.

447290643959 is a deficient number, since it is larger than the sum of its proper divisors (1).

447290643959 is an equidigital number, since it uses as much as digits as its factorization.

447290643959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 447290643959 in words is "four hundred forty-seven billion, two hundred ninety million, six hundred forty-three thousand, nine hundred fifty-nine".