6482819978 has 8 divisors (see below), whose sum is σ = 9725263680. Its totient is φ = 3241065420.

The previous prime is 6482819963. The next prime is 6482819989. The reversal of 6482819978 is 8799182846.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6482819978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148088 + ... + 186803.

It is an arithmetic number, because the mean of its divisors is an integer number (1215657960).

Almost surely, 2^6482819978 is an apocalyptic number.

6482819978 is a deficient number, since it is larger than the sum of its proper divisors (3242443702).

6482819978 is a wasteful number, since it uses less digits than its factorization.

6482819978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344572.

The product of its digits is 13934592, while the sum is 62.

The square root of 6482819978 is about 80515.9610139505. The cubic root of 6482819978 is about 1864.6099065521.

The spelling of 6482819978 in words is "six billion, four hundred eighty-two million, eight hundred nineteen thousand, nine hundred seventy-eight".