6485843992 has 8 divisors (see below), whose sum is σ = 12160957500. Its totient is φ = 3242921992.

The previous prime is 6485843941. The next prime is 6485843993. The reversal of 6485843992 is 2993485846.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485843993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405365242 + ... + 405365257.

Almost surely, 2^6485843992 is an apocalyptic number.

It is an amenable number.

6485843992 is a deficient number, since it is larger than the sum of its proper divisors (5675113508).

6485843992 is a wasteful number, since it uses less digits than its factorization.

6485843992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810730505 (or 810730501 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The square root of 6485843992 is about 80534.7377968042. The cubic root of 6485843992 is about 1864.8997870861.

The spelling of 6485843992 in words is "six billion, four hundred eighty-five million, eight hundred forty-three thousand, nine hundred ninety-two".