6448747526 has 16 divisors (see below), whose sum is σ = 10418801904. Its totient is φ = 2975889504.

The previous prime is 6448747517. The next prime is 6448747531. The reversal of 6448747526 is 6257478446.

It is a super-2 number, since 2×6448747526² = 83172689308182241352, which contains 22 as substring.

It is a Curzon number.

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, 203276 + ... + 232848.

It is an arithmetic number, because the mean of its divisors is an integer number (651175119).

Almost surely, 2^6448747526 is an apocalyptic number.

6448747526 is a deficient number, since it is larger than the sum of its proper divisors (3970054378).

6448747526 is a wasteful number, since it uses less digits than its factorization.

6448747526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37975.

The product of its digits is 9031680, while the sum is 53.

The square root of 6448747526 is about 80304.0940799409. The cubic root of 6448747526 is about 1861.3374900431.

The spelling of 6448747526 in words is "six billion, four hundred forty-eight million, seven hundred forty-seven thousand, five hundred twenty-six".