384229216251 has 120 divisors (see below), whose sum is σ = 663965478000. Its totient is φ = 220513176576.

The previous prime is 384229216247. The next prime is 384229216303. The reversal of 384229216251 is 152612922483.

384229216251 is a `hidden beast` number, since 3 + 8 + 422 + 9 + 216 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 384229216251 - 2² = 384229216247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 384229216197 and 384229216206.

It is not an unprimeable number, because it can be changed into a prime (384229216211) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 12883465 + ... + 12913253.

It is an arithmetic number, because the mean of its divisors is an integer number (5533045650).

Almost surely, 2^384229216251 is an apocalyptic number.

384229216251 is a deficient number, since it is larger than the sum of its proper divisors (279736261749).

384229216251 is a wasteful number, since it uses less digits than its factorization.

384229216251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29883 (or 29857 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 384229216251 in words is "three hundred eighty-four billion, two hundred twenty-nine million, two hundred sixteen thousand, two hundred fifty-one".