6448476518 has 16 divisors (see below), whose sum is σ = 10553394960. Its totient is φ = 2930752800.

The previous prime is 6448476497. The next prime is 6448476547. The reversal of 6448476518 is 8156748446.

It is a self number, because there is not a number n which added to its sum of digits gives 6448476518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234728 + ... + 260756.

It is an arithmetic number, because the mean of its divisors is an integer number (659587185).

Almost surely, 2^6448476518 is an apocalyptic number.

6448476518 is a deficient number, since it is larger than the sum of its proper divisors (4104918442).

6448476518 is a wasteful number, since it uses less digits than its factorization.

6448476518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37303.

The product of its digits is 5160960, while the sum is 53.

The square root of 6448476518 is about 80302.4066762634. The cubic root of 6448476518 is about 1861.3114155010.

The spelling of 6448476518 in words is "six billion, four hundred forty-eight million, four hundred seventy-six thousand, five hundred eighteen".