6649585242 has 32 divisors (see below), whose sum is σ = 13379241984. Its totient is φ = 2203210800.

The previous prime is 6649585213. The next prime is 6649585273. The reversal of 6649585242 is 2425859466.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145367 + ... + 1151157.

It is an arithmetic number, because the mean of its divisors is an integer number (418101312).

Almost surely, 2^6649585242 is an apocalyptic number.

6649585242 is an abundant number, since it is smaller than the sum of its proper divisors (6729656742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6649585242 is a wasteful number, since it uses less digits than its factorization.

6649585242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914.

The product of its digits is 4147200, while the sum is 51.

The square root of 6649585242 is about 81544.9890673854. The cubic root of 6649585242 is about 1880.4632593467.

The spelling of 6649585242 in words is "six billion, six hundred forty-nine million, five hundred eighty-five thousand, two hundred forty-two".