6406463426 has 16 divisors (see below), whose sum is σ = 10484797248. Its totient is φ = 2911614000.

The previous prime is 6406463411. The next prime is 6406463477. The reversal of 6406463426 is 6243646046.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180656 + ... + 213188.

It is an arithmetic number, because the mean of its divisors is an integer number (655299828).

Almost surely, 2^6406463426 is an apocalyptic number.

6406463426 is a deficient number, since it is larger than the sum of its proper divisors (4078333822).

6406463426 is a wasteful number, since it uses less digits than its factorization.

6406463426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41497.

The product of its (nonzero) digits is 497664, while the sum is 41.

The square root of 6406463426 is about 80040.3862184585. The cubic root of 6406463426 is about 1857.2603349517.

The spelling of 6406463426 in words is "six billion, four hundred six million, four hundred sixty-three thousand, four hundred twenty-six".