6648572245 has 64 divisors (see below), whose sum is σ = 10238054400. Its totient is φ = 4034810880.

The previous prime is 6648572243. The next prime is 6648572269. The reversal of 6648572245 is 5422758466.

It is not a de Polignac number, because 6648572245 - 2¹ = 6648572243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648572243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1569280 + ... + 1573510.

It is an arithmetic number, because the mean of its divisors is an integer number (159969600).

Almost surely, 2^6648572245 is an apocalyptic number.

It is an amenable number.

6648572245 is a deficient number, since it is larger than the sum of its proper divisors (3589482155).

6648572245 is a wasteful number, since it uses less digits than its factorization.

6648572245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418.

The product of its digits is 3225600, while the sum is 49.

The square root of 6648572245 is about 81538.7775539957. Note that the first 3 decimals coincide. The cubic root of 6648572245 is about 1880.3677646499.

The spelling of 6648572245 in words is "six billion, six hundred forty-eight million, five hundred seventy-two thousand, two hundred forty-five".