6444796533 has 16 divisors (see below), whose sum is σ = 9938966016. Its totient is φ = 3638369520.

The previous prime is 6444796517. The next prime is 6444796541. The reversal of 6444796533 is 3356974446.

It is a happy number.

6444796533 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6444796533 - 2⁴ = 6444796517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444796513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847023 + ... + 1850508.

It is an arithmetic number, because the mean of its divisors is an integer number (621185376).

Almost surely, 2^6444796533 is an apocalyptic number.

It is an amenable number.

6444796533 is a deficient number, since it is larger than the sum of its proper divisors (3494169483).

6444796533 is a wasteful number, since it uses less digits than its factorization.

6444796533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697624.

The product of its digits is 6531840, while the sum is 51.

The square root of 6444796533 is about 80279.4901142253. The cubic root of 6444796533 is about 1860.9572800992.

The spelling of 6444796533 in words is "six billion, four hundred forty-four million, seven hundred ninety-six thousand, five hundred thirty-three".