6431461628 has 12 divisors (see below), whose sum is σ = 11330596200. Its totient is φ = 3194148432.

The previous prime is 6431461627. The next prime is 6431461643. The reversal of 6431461628 is 8261641346.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431461627) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5394926 + ... + 5396117.

It is an arithmetic number, because the mean of its divisors is an integer number (944216350).

Almost surely, 2^6431461628 is an apocalyptic number.

It is an amenable number.

6431461628 is a deficient number, since it is larger than the sum of its proper divisors (4899134572).

6431461628 is a wasteful number, since it uses less digits than its factorization.

6431461628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10791196 (or 10791194 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 6431461628 is about 80196.3941084635. The cubic root of 6431461628 is about 1859.6728938783.

The spelling of 6431461628 in words is "six billion, four hundred thirty-one million, four hundred sixty-one thousand, six hundred twenty-eight".