6461543434 has 16 divisors (see below), whose sum is σ = 9832752000. Its totient is φ = 3183995920.

The previous prime is 6461543419. The next prime is 6461543453. The reversal of 6461543434 is 4343451646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418272 + ... + 433444.

It is an arithmetic number, because the mean of its divisors is an integer number (614547000).

Almost surely, 2^6461543434 is an apocalyptic number.

6461543434 is a deficient number, since it is larger than the sum of its proper divisors (3371208566).

6461543434 is a wasteful number, since it uses less digits than its factorization.

6461543434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18245.

The product of its digits is 414720, while the sum is 40.

The square root of 6461543434 is about 80383.7261763847. The cubic root of 6461543434 is about 1862.5677944423.

The spelling of 6461543434 in words is "six billion, four hundred sixty-one million, five hundred forty-three thousand, four hundred thirty-four".