6448626057 has 8 divisors (see below), whose sum is σ = 8686809376. Its totient is φ = 4254763392.

The previous prime is 6448626053. The next prime is 6448626059. The reversal of 6448626057 is 7506268446.

6448626057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6448626057 - 2² = 6448626053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6448625997 and 6448626015.

It is not an unprimeable number, because it can be changed into a prime (6448626053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11079823 + ... + 11080404.

It is an arithmetic number, because the mean of its divisors is an integer number (1085851172).

Almost surely, 2^6448626057 is an apocalyptic number.

It is an amenable number.

6448626057 is a deficient number, since it is larger than the sum of its proper divisors (2238183319).

6448626057 is a wasteful number, since it uses less digits than its factorization.

6448626057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22160327.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 6448626057 is about 80303.3377699831. The cubic root of 6448626057 is about 1861.3258032144.

The spelling of 6448626057 in words is "six billion, four hundred forty-eight million, six hundred twenty-six thousand, fifty-seven".