6406463546 has 24 divisors (see below), whose sum is σ = 11198300256. Its totient is φ = 2740794840.

The previous prime is 6406463527. The next prime is 6406463579. The reversal of 6406463546 is 6453646046.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6406463497 and 6406463506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1286 + ... + 113201.

It is an arithmetic number, because the mean of its divisors is an integer number (466595844).

Almost surely, 2^6406463546 is an apocalyptic number.

6406463546 is a deficient number, since it is larger than the sum of its proper divisors (4791836710).

6406463546 is a wasteful number, since it uses less digits than its factorization.

6406463546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115074 (or 115067 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 44.

The square root of 6406463546 is about 80040.3869680801. The cubic root of 6406463546 is about 1857.2603465479.

The spelling of 6406463546 in words is "six billion, four hundred six million, four hundred sixty-three thousand, five hundred forty-six".