384306220449 has 6 divisors (see below), whose sum is σ = 555108985106. Its totient is φ = 256204146960.

The previous prime is 384306220411. The next prime is 384306220453. The reversal of 384306220449 is 944022603483.

384306220449 is a `hidden beast` number, since 3 + 8 + 430 + 6 + 2 + 204 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 304687440225 + 79618780224 = 551985^2 + 282168^2 .

It is not a de Polignac number, because 384306220449 - 2⁷ = 384306220321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384306220049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21350345572 + ... + 21350345589.

Almost surely, 2^384306220449 is an apocalyptic number.

It is an amenable number.

384306220449 is a deficient number, since it is larger than the sum of its proper divisors (170802764657).

384306220449 is a wasteful number, since it uses less digits than its factorization.

384306220449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42700691167 (or 42700691164 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 384306220449 in words is "three hundred eighty-four billion, three hundred six million, two hundred twenty thousand, four hundred forty-nine".