6456394347 has 32 divisors (see below), whose sum is σ = 9342068736. Its totient is φ = 3942691200.

The previous prime is 6456394327. The next prime is 6456394361. The reversal of 6456394347 is 7434936546.

It is a happy number.

It is not a de Polignac number, because 6456394347 - 2¹² = 6456390251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6456394347.

It is not an unprimeable number, because it can be changed into a prime (6456394327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5244222 + ... + 5245452.

It is an arithmetic number, because the mean of its divisors is an integer number (291939648).

Almost surely, 2^6456394347 is an apocalyptic number.

6456394347 is a deficient number, since it is larger than the sum of its proper divisors (2885674389).

6456394347 is a wasteful number, since it uses less digits than its factorization.

6456394347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

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

The square root of 6456394347 is about 80351.6916250056. The cubic root of 6456394347 is about 1862.0729141118.

The spelling of 6456394347 in words is "six billion, four hundred fifty-six million, three hundred ninety-four thousand, three hundred forty-seven".