6863649254 has 24 divisors (see below), whose sum is σ = 12933160464. Its totient is φ = 2674148400.

The previous prime is 6863649217. The next prime is 6863649257. The reversal of 6863649254 is 4529463686.

It is a junction number, because it is equal to n+sod(n) for n = 6863649196 and 6863649205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6863649257) 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 11 ways as a sum of consecutive naturals, for example, 2024177 + ... + 2027564.

It is an arithmetic number, because the mean of its divisors is an integer number (538881686).

Almost surely, 2^6863649254 is an apocalyptic number.

6863649254 is a deficient number, since it is larger than the sum of its proper divisors (6069511210).

6863649254 is a wasteful number, since it uses less digits than its factorization.

6863649254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051772 (or 4051761 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 53.

The square root of 6863649254 is about 82847.1439097329. The cubic root of 6863649254 is about 1900.4291970382.

The spelling of 6863649254 in words is "six billion, eight hundred sixty-three million, six hundred forty-nine thousand, two hundred fifty-four".