385543818045955 has 4 divisors (see below), whose sum is σ = 462652581655152. Its totient is φ = 308435054436760.

The previous prime is 385543818045941. The next prime is 385543818045959. The reversal of 385543818045955 is 559540818345583.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 385543818045955 - 2⁹ = 385543818045443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385543818045959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38554381804591 + ... + 38554381804600.

It is an arithmetic number, because the mean of its divisors is an integer number (115663145413788).

Almost surely, 2^{385543818045955} is an apocalyptic number.

385543818045955 is a deficient number, since it is larger than the sum of its proper divisors (77108763609197).

385543818045955 is an equidigital number, since it uses as much as digits as its factorization.

385543818045955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77108763609196.

The product of its (nonzero) digits is 2073600000, while the sum is 73.

The spelling of 385543818045955 in words is "three hundred eighty-five trillion, five hundred forty-three billion, eight hundred eighteen million, forty-five thousand, nine hundred fifty-five".