6948640403 has 4 divisors (see below), whose sum is σ = 6978463128. Its totient is φ = 6918817680.

The previous prime is 6948640343. The next prime is 6948640429. The reversal of 6948640403 is 3040468496.

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 6948640403 - 2¹⁴ = 6948624019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6948640463) 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, 14911013 + ... + 14911478.

It is an arithmetic number, because the mean of its divisors is an integer number (1744615782).

Almost surely, 2^6948640403 is an apocalyptic number.

6948640403 is a deficient number, since it is larger than the sum of its proper divisors (29822725).

6948640403 is a wasteful number, since it uses less digits than its factorization.

6948640403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29822724.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 6948640403 is about 83358.5052829044. The cubic root of 6948640403 is about 1908.2412474387.

The spelling of 6948640403 in words is "six billion, nine hundred forty-eight million, six hundred forty thousand, four hundred three".