6441433106 has 16 divisors (see below), whose sum is σ = 9699295320. Its totient is φ = 3208356480.

The previous prime is 6441433099. The next prime is 6441433111. The reversal of 6441433106 is 6013341446.

It can be written as a sum of positive squares in 4 ways, for example, as 4010055625 + 2431377481 = 63325^2 + 49309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661916 + ... + 671576.

Almost surely, 2^6441433106 is an apocalyptic number.

6441433106 is a deficient number, since it is larger than the sum of its proper divisors (3257862214).

6441433106 is a wasteful number, since it uses less digits than its factorization.

6441433106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6441433106 is about 80258.5391469344. The cubic root of 6441433106 is about 1860.6334900410.

The spelling of 6441433106 in words is "six billion, four hundred forty-one million, four hundred thirty-three thousand, one hundred six".