6466789263 has 16 divisors (see below), whose sum is σ = 9462571776. Its totient is φ = 3895794240.

The previous prime is 6466789249. The next prime is 6466789271. The reversal of 6466789263 is 3629876646.

It is a happy number.

It is not a de Polignac number, because 6466789263 - 2¹² = 6466785167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466789283) 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 15 ways as a sum of consecutive naturals, for example, 581206 + ... + 592227.

It is an arithmetic number, because the mean of its divisors is an integer number (591410736).

Almost surely, 2^6466789263 is an apocalyptic number.

6466789263 is a deficient number, since it is larger than the sum of its proper divisors (2995782513).

6466789263 is a wasteful number, since it uses less digits than its factorization.

6466789263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173614.

The product of its digits is 15676416, while the sum is 57.

The square root of 6466789263 is about 80416.3494757130. The cubic root of 6466789263 is about 1863.0717023869.

The spelling of 6466789263 in words is "six billion, four hundred sixty-six million, seven hundred eighty-nine thousand, two hundred sixty-three".