6425319278 has 16 divisors (see below), whose sum is σ = 11019039360. Its totient is φ = 2752656696.

The previous prime is 6425319239. The next prime is 6425319301. The reversal of 6425319278 is 8729135246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49076 + ... + 123527.

It is an arithmetic number, because the mean of its divisors is an integer number (688689960).

Almost surely, 2^6425319278 is an apocalyptic number.

6425319278 is a deficient number, since it is larger than the sum of its proper divisors (4593720082).

6425319278 is a wasteful number, since it uses less digits than its factorization.

6425319278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175271.

The product of its digits is 725760, while the sum is 47.

The square root of 6425319278 is about 80158.0892861101. The cubic root of 6425319278 is about 1859.0806801215.

The spelling of 6425319278 in words is "six billion, four hundred twenty-five million, three hundred nineteen thousand, two hundred seventy-eight".