68734648522 has 8 divisors (see below), whose sum is σ = 105616655172. Its totient is φ = 33529096800.

The previous prime is 68734648457. The next prime is 68734648529. The reversal of 68734648522 is 22584643786.

It can be written as a sum of positive squares in 2 ways, for example, as 62205846921 + 6528801601 = 249411^2 + 80801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68734648529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419113629 + ... + 419113792.

Almost surely, 2^68734648522 is an apocalyptic number.

68734648522 is a deficient number, since it is larger than the sum of its proper divisors (36882006650).

68734648522 is a wasteful number, since it uses less digits than its factorization.

68734648522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838227464.

The product of its digits is 15482880, while the sum is 55.

The spelling of 68734648522 in words is "sixty-eight billion, seven hundred thirty-four million, six hundred forty-eight thousand, five hundred twenty-two".