385670564443 has 2 divisors, whose sum is σ = 385670564444. Its totient is φ = 385670564442.

The previous prime is 385670564437. The next prime is 385670564467. The reversal of 385670564443 is 344465076583.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (344465076583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 385670564443 - 2²¹ = 385668467291 is a prime.

It is not a weakly prime, because it can be changed into another prime (385670564473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192835282221 + 192835282222.

It is an arithmetic number, because the mean of its divisors is an integer number (192835282222).

Almost surely, 2^385670564443 is an apocalyptic number.

385670564443 is a deficient number, since it is larger than the sum of its proper divisors (1).

385670564443 is an equidigital number, since it uses as much as digits as its factorization.

385670564443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 385670564443 in words is "three hundred eighty-five billion, six hundred seventy million, five hundred sixty-four thousand, four hundred forty-three".