64471849263 has 32 divisors (see below), whose sum is σ = 102881710080. Its totient is φ = 39786262560.

The previous prime is 64471849261. The next prime is 64471849271. The reversal of 64471849263 is 36294817446.

64471849263 is a `hidden beast` number, since 6 + 4 + 471 + 84 + 92 + 6 + 3 = 666.

64471849263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64471849263 - 2¹ = 64471849261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64471849261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1655256 + ... + 1693757.

It is an arithmetic number, because the mean of its divisors is an integer number (3215053440).

Almost surely, 2^64471849263 is an apocalyptic number.

64471849263 is a deficient number, since it is larger than the sum of its proper divisors (38409860817).

64471849263 is a wasteful number, since it uses less digits than its factorization.

64471849263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349076 (or 3349070 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 64471849263 in words is "sixty-four billion, four hundred seventy-one million, eight hundred forty-nine thousand, two hundred sixty-three".