6465143044 has 24 divisors (see below), whose sum is σ = 12039753600. Its totient is φ = 3027125376.

The previous prime is 6465143033. The next prime is 6465143057. The reversal of 6465143044 is 4403415646.

It is a junction number, because it is equal to n+sod(n) for n = 6465142994 and 6465143012.

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, 225352 + ... + 252415.

It is an arithmetic number, because the mean of its divisors is an integer number (501656400).

Almost surely, 2^6465143044 is an apocalyptic number.

It is an amenable number.

6465143044 is a deficient number, since it is larger than the sum of its proper divisors (5574610556).

6465143044 is a wasteful number, since it uses less digits than its factorization.

6465143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477987 (or 477985 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 6465143044 is about 80406.1132253015. The cubic root of 6465143044 is about 1862.9135979449.

The spelling of 6465143044 in words is "six billion, four hundred sixty-five million, one hundred forty-three thousand, forty-four".