384780634403 has 12 divisors (see below), whose sum is σ = 445200736680. Its totient is φ = 331390018080.

The previous prime is 384780634379. The next prime is 384780634481. The reversal of 384780634403 is 304436087483.

It is not a de Polignac number, because 384780634403 - 2¹⁰ = 384780633379 is a prime.

It is a super-2 number, since 2×384780634403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (384780634003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83682050 + ... + 83686647.

It is an arithmetic number, because the mean of its divisors is an integer number (37100061390).

Almost surely, 2^384780634403 is an apocalyptic number.

384780634403 is a deficient number, since it is larger than the sum of its proper divisors (60420102277).

384780634403 is a wasteful number, since it uses less digits than its factorization.

384780634403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167368738 (or 167368727 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 384780634403 in words is "three hundred eighty-four billion, seven hundred eighty million, six hundred thirty-four thousand, four hundred three".