6406463427 has 32 divisors (see below), whose sum is σ = 10517993472. Its totient is φ = 3377683584.

The previous prime is 6406463411. The next prime is 6406463477. The reversal of 6406463427 is 7243646046.

It is not a de Polignac number, because 6406463427 - 2⁴ = 6406463411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6406463477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 825238 + ... + 832964.

It is an arithmetic number, because the mean of its divisors is an integer number (328687296).

Almost surely, 2^6406463427 is an apocalyptic number.

6406463427 is a deficient number, since it is larger than the sum of its proper divisors (4111530045).

6406463427 is a wasteful number, since it uses less digits than its factorization.

6406463427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787.

The product of its (nonzero) digits is 580608, while the sum is 42.

The square root of 6406463427 is about 80040.3862247053. The cubic root of 6406463427 is about 1857.2603350484.

The spelling of 6406463427 in words is "six billion, four hundred six million, four hundred sixty-three thousand, four hundred twenty-seven".