383852220385 has 4 divisors (see below), whose sum is σ = 460622664468. Its totient is φ = 307081776304.

The previous prime is 383852220377. The next prime is 383852220397. The reversal of 383852220385 is 583022258383.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84653066304 + 299199154081 = 290952^2 + 546991^2 .

It is a cyclic number.

It is not a de Polignac number, because 383852220385 - 2³ = 383852220377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38385222034 + ... + 38385222043.

It is an arithmetic number, because the mean of its divisors is an integer number (115155666117).

Almost surely, 2^383852220385 is an apocalyptic number.

It is an amenable number.

383852220385 is a deficient number, since it is larger than the sum of its proper divisors (76770444083).

383852220385 is an equidigital number, since it uses as much as digits as its factorization.

383852220385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76770444082.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 383852220385 in words is "three hundred eighty-three billion, eight hundred fifty-two million, two hundred twenty thousand, three hundred eighty-five".