6441048647 has 12 divisors (see below), whose sum is σ = 7244483400. Its totient is φ = 5719319760.

The previous prime is 6441048643. The next prime is 6441048661. The reversal of 6441048647 is 7468401446.

It is not a de Polignac number, because 6441048647 - 2² = 6441048643 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6441048598 and 6441048607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441048643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613772 + ... + 624177.

It is an arithmetic number, because the mean of its divisors is an integer number (603706950).

Almost surely, 2^6441048647 is an apocalyptic number.

6441048647 is a deficient number, since it is larger than the sum of its proper divisors (803434753).

6441048647 is a wasteful number, since it uses less digits than its factorization.

6441048647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238014 (or 1238003 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The square root of 6441048647 is about 80256.1439828752. The cubic root of 6441048647 is about 1860.5964718024.

The spelling of 6441048647 in words is "six billion, four hundred forty-one million, forty-eight thousand, six hundred forty-seven".