6948278398 has 4 divisors (see below), whose sum is σ = 10422417600. Its totient is φ = 3474139198.

The previous prime is 6948278387. The next prime is 6948278401. The reversal of 6948278398 is 8938728496.

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

It is a super-2 number, since 2×6948278398² = 96557145392226892808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1737069598 + ... + 1737069601.

It is an arithmetic number, because the mean of its divisors is an integer number (2605604400).

Almost surely, 2^6948278398 is an apocalyptic number.

6948278398 is a deficient number, since it is larger than the sum of its proper divisors (3474139202).

6948278398 is a wasteful number, since it uses less digits than its factorization.

6948278398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474139201.

The product of its digits is 41803776, while the sum is 64.

The square root of 6948278398 is about 83356.3338805156. Note that the first 3 decimals coincide. The cubic root of 6948278398 is about 1908.2081088279.

The spelling of 6948278398 in words is "six billion, nine hundred forty-eight million, two hundred seventy-eight thousand, three hundred ninety-eight".