67648232353 has 4 divisors (see below), whose sum is σ = 72851942548. Its totient is φ = 62444522160.

The previous prime is 67648232321. The next prime is 67648232359. The reversal of 67648232353 is 35323284676.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4663797264 + 62984435089 = 68292^2 + 250967^2 .

It is a cyclic number.

It is not a de Polignac number, because 67648232353 - 2⁵ = 67648232321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67648232297 and 67648232306.

It is not an unprimeable number, because it can be changed into a prime (67648232359) 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, 2601855078 + ... + 2601855103.

It is an arithmetic number, because the mean of its divisors is an integer number (18212985637).

Almost surely, 2^67648232353 is an apocalyptic number.

It is an amenable number.

67648232353 is a deficient number, since it is larger than the sum of its proper divisors (5203710195).

67648232353 is a wasteful number, since it uses less digits than its factorization.

67648232353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203710194.

The product of its digits is 4354560, while the sum is 49.

The spelling of 67648232353 in words is "sixty-seven billion, six hundred forty-eight million, two hundred thirty-two thousand, three hundred fifty-three".