6650634445 has 32 divisors (see below), whose sum is σ = 10139351040. Its totient is φ = 4073829120.

The previous prime is 6650634443. The next prime is 6650634469. The reversal of 6650634445 is 5444360566.

It is not a de Polignac number, because 6650634445 - 2¹ = 6650634443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650634443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221650 + ... + 249859.

It is an arithmetic number, because the mean of its divisors is an integer number (316854720).

Almost surely, 2^6650634445 is an apocalyptic number.

6650634445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6650634445 is a deficient number, since it is larger than the sum of its proper divisors (3488716595).

6650634445 is a wasteful number, since it uses less digits than its factorization.

6650634445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471565.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The square root of 6650634445 is about 81551.4220906049. The cubic root of 6650634445 is about 1880.5621569401.

The spelling of 6650634445 in words is "six billion, six hundred fifty million, six hundred thirty-four thousand, four hundred forty-five".