6378642945103 has 16 divisors (see below), whose sum is σ = 7819607287296. Its totient is φ = 5119980956640.

The previous prime is 6378642945023. The next prime is 6378642945109. The reversal of 6378642945103 is 3015492468736.

It is not a de Polignac number, because 6378642945103 - 2²¹ = 6378640847951 is a prime.

It is a super-4 number, since 4×6378642945103⁴ (a number of 52 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378642945109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969690075 + ... + 969696652.

It is an arithmetic number, because the mean of its divisors is an integer number (488725455456).

It is a 1-persistent number, because it is pandigital, but 2⋅6378642945103 = 12757285890206 is not.

Almost surely, 2^{6378642945103} is an apocalyptic number.

6378642945103 is a deficient number, since it is larger than the sum of its proper divisors (1440964342193).

6378642945103 is a wasteful number, since it uses less digits than its factorization.

6378642945103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939386774.

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 6378642945103 in words is "six trillion, three hundred seventy-eight billion, six hundred forty-two million, nine hundred forty-five thousand, one hundred three".