6444464711 has 4 divisors (see below), whose sum is σ = 6448982232. Its totient is φ = 6439947192.

The previous prime is 6444464687. The next prime is 6444464713. The reversal of 6444464711 is 1174644446.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1174644446 = 2 ⋅587322223.

It is a cyclic number.

It is not a de Polignac number, because 6444464711 - 2³⁰ = 5370722887 is a prime.

It is a super-2 number, since 2×6444464711² = 83062250822648627042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444464713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256620 + ... + 2259473.

It is an arithmetic number, because the mean of its divisors is an integer number (1612245558).

Almost surely, 2^6444464711 is an apocalyptic number.

6444464711 is a deficient number, since it is larger than the sum of its proper divisors (4517521).

6444464711 is a wasteful number, since it uses less digits than its factorization.

6444464711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517520.

The product of its digits is 258048, while the sum is 41.

The square root of 6444464711 is about 80277.4234202867. The cubic root of 6444464711 is about 1860.9253413011.

The spelling of 6444464711 in words is "six billion, four hundred forty-four million, four hundred sixty-four thousand, seven hundred eleven".