6461047263 has 32 divisors (see below), whose sum is σ = 9673839360. Its totient is φ = 3801288960.

The previous prime is 6461047253. The next prime is 6461047283. The reversal of 6461047263 is 3627401646.

It is a happy number.

It is not a de Polignac number, because 6461047263 - 2⁸ = 6461047007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461047213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552208 + ... + 563786.

It is an arithmetic number, because the mean of its divisors is an integer number (302307480).

Almost surely, 2^6461047263 is an apocalyptic number.

6461047263 is a deficient number, since it is larger than the sum of its proper divisors (3212792097).

6461047263 is a wasteful number, since it uses less digits than its factorization.

6461047263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 6461047263 is about 80380.6398518947. The cubic root of 6461047263 is about 1862.5201187443.

The spelling of 6461047263 in words is "six billion, four hundred sixty-one million, forty-seven thousand, two hundred sixty-three".