6649255046 has 16 divisors (see below), whose sum is σ = 11423353344. Its totient is φ = 2843523144.

The previous prime is 6649255021. The next prime is 6649255049. The reversal of 6649255046 is 6405529466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6649255049) 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, 506420 + ... + 519383.

It is an arithmetic number, because the mean of its divisors is an integer number (713959584).

Almost surely, 2^6649255046 is an apocalyptic number.

6649255046 is a deficient number, since it is larger than the sum of its proper divisors (4774098298).

6649255046 is a wasteful number, since it uses less digits than its factorization.

6649255046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026275.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The square root of 6649255046 is about 81542.9644175388. The cubic root of 6649255046 is about 1880.4321330081.

The spelling of 6649255046 in words is "six billion, six hundred forty-nine million, two hundred fifty-five thousand, forty-six".