6463544514 has 16 divisors (see below), whose sum is σ = 14773816128. Its totient is φ = 1846726992.

The previous prime is 6463544491. The next prime is 6463544519. The reversal of 6463544514 is 4154453646.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 153893917 = 6463544514 / (6 + 4 + 6 + 3 + 5 + 4 + 4 + 5 + 1 + 4).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6463544519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76946917 + ... + 76947000.

It is an arithmetic number, because the mean of its divisors is an integer number (923363508).

Almost surely, 2^6463544514 is an apocalyptic number.

6463544514 is an abundant number, since it is smaller than the sum of its proper divisors (8310271614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6463544514 is a wasteful number, since it uses less digits than its factorization.

6463544514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153893929.

The product of its digits is 691200, while the sum is 42.

The square root of 6463544514 is about 80396.1722596294. The cubic root of 6463544514 is about 1862.7600479141.

The spelling of 6463544514 in words is "six billion, four hundred sixty-three million, five hundred forty-four thousand, five hundred fourteen".