6378321103 has 32 divisors (see below), whose sum is σ = 8710364160. Its totient is φ = 4516431360.

The previous prime is 6378321077. The next prime is 6378321113. The reversal of 6378321103 is 3011238736.

It is not a de Polignac number, because 6378321103 - 2²¹ = 6376223951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378321113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46051 + ... + 121972.

It is an arithmetic number, because the mean of its divisors is an integer number (272198880).

Almost surely, 2^6378321103 is an apocalyptic number.

6378321103 is a deficient number, since it is larger than the sum of its proper divisors (2332043057).

6378321103 is a wasteful number, since it uses less digits than its factorization.

6378321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168087.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 6378321103 is about 79864.3919591203. The cubic root of 6378321103 is about 1854.5368176823.

Adding to 6378321103 its reverse (3011238736), we get a palindrome (9389559839).

The spelling of 6378321103 in words is "six billion, three hundred seventy-eight million, three hundred twenty-one thousand, one hundred three".