6405794068 has 12 divisors (see below), whose sum is σ = 11216749600. Its totient is φ = 3201008472.

The previous prime is 6405794051. The next prime is 6405794081. The reversal of 6405794068 is 8604975046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464496 + ... + 478087.

Almost surely, 2^6405794068 is an apocalyptic number.

It is an amenable number.

6405794068 is a deficient number, since it is larger than the sum of its proper divisors (4810955532).

6405794068 is a wasteful number, since it uses less digits than its factorization.

6405794068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944286 (or 944284 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 6405794068 is about 80036.2047326084. The cubic root of 6405794068 is about 1857.1956494781.

The spelling of 6405794068 in words is "six billion, four hundred five million, seven hundred ninety-four thousand, sixty-eight".