64718241248 has 24 divisors (see below), whose sum is σ = 132953779728. Its totient is φ = 30952201984.

The previous prime is 64718241221. The next prime is 64718241253. The reversal of 64718241248 is 84214281746.

64718241248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43965461 + ... + 43966932.

It is an arithmetic number, because the mean of its divisors is an integer number (5539740822).

Almost surely, 2^64718241248 is an apocalyptic number.

It is an amenable number.

64718241248 is an abundant number, since it is smaller than the sum of its proper divisors (68235538480).

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

64718241248 is a wasteful number, since it uses less digits than its factorization.

64718241248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87932426 (or 87932418 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The spelling of 64718241248 in words is "sixty-four billion, seven hundred eighteen million, two hundred forty-one thousand, two hundred forty-eight".