6938144403 has 8 divisors (see below), whose sum is σ = 9269400000. Its totient is φ = 4616159208.

The previous prime is 6938144401. The next prime is 6938144417. The reversal of 6938144403 is 3044418396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6938144403 - 2¹ = 6938144401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6938144401) 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 7 ways as a sum of consecutive naturals, for example, 2315853 + ... + 2318846.

It is an arithmetic number, because the mean of its divisors is an integer number (1158675000).

Almost surely, 2^6938144403 is an apocalyptic number.

6938144403 is a deficient number, since it is larger than the sum of its proper divisors (2331255597).

6938144403 is a wasteful number, since it uses less digits than its factorization.

6938144403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635201.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 6938144403 is about 83295.5245076229. The cubic root of 6938144403 is about 1907.2799565929.

The spelling of 6938144403 in words is "six billion, nine hundred thirty-eight million, one hundred forty-four thousand, four hundred three".