6378081403 has 4 divisors (see below), whose sum is σ = 6753262680. Its totient is φ = 6002900128.

The previous prime is 6378081397. The next prime is 6378081407. The reversal of 6378081403 is 3041808736.

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

It is a cyclic number.

It is not a de Polignac number, because 6378081403 - 2¹⁷ = 6377950331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6378081407) 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 3 ways as a sum of consecutive naturals, for example, 187590613 + ... + 187590646.

It is an arithmetic number, because the mean of its divisors is an integer number (1688315670).

Almost surely, 2^6378081403 is an apocalyptic number.

6378081403 is a deficient number, since it is larger than the sum of its proper divisors (375181277).

6378081403 is a wasteful number, since it uses less digits than its factorization.

6378081403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375181276.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 6378081403 is about 79862.8912762367. The cubic root of 6378081403 is about 1854.5135859658.

The spelling of 6378081403 in words is "six billion, three hundred seventy-eight million, eighty-one thousand, four hundred three".