6254643996 has 36 divisors (see below), whose sum is σ = 15838483752. Its totient is φ = 2081171424.

The previous prime is 6254643973. The next prime is 6254644009. The reversal of 6254643996 is 6993464526.

6254643996 is a `hidden beast` number, since 6 + 2 + 546 + 4 + 3 + 9 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 in 11 ways as a sum of consecutive naturals, for example, 134031 + ... + 174566.

It is an arithmetic number, because the mean of its divisors is an integer number (439957882).

Almost surely, 2^6254643996 is an apocalyptic number.

It is an amenable number.

6254643996 is an abundant number, since it is smaller than the sum of its proper divisors (9583839756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6254643996 is a wasteful number, since it uses less digits than its factorization.

6254643996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309170 (or 309165 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 54.

The square root of 6254643996 is about 79086.3072598538. The cubic root of 6254643996 is about 1842.4718664357.

The spelling of 6254643996 in words is "six billion, two hundred fifty-four million, six hundred forty-three thousand, nine hundred ninety-six".