67248644527213 has 4 divisors (see below), whose sum is σ = 67311907599328. Its totient is φ = 67185381455100.

The previous prime is 67248644527177. The next prime is 67248644527219. The reversal of 67248644527213 is 31272544684276.

It is a happy number.

67248644527213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67248644527213 - 2⁴⁵ = 32064272438381 is a prime.

It is a super-3 number, since 3×67248644527213³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67248644527219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31631534463 + ... + 31631536588.

It is an arithmetic number, because the mean of its divisors is an integer number (16827976899832).

Almost surely, 2^{67248644527213} is an apocalyptic number.

It is an amenable number.

67248644527213 is a deficient number, since it is larger than the sum of its proper divisors (63263072115).

67248644527213 is a wasteful number, since it uses less digits than its factorization.

67248644527213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63263072114.

The product of its digits is 108380160, while the sum is 61.

The spelling of 67248644527213 in words is "sixty-seven trillion, two hundred forty-eight billion, six hundred forty-four million, five hundred twenty-seven thousand, two hundred thirteen".