67948708853 has 4 divisors (see below), whose sum is σ = 68199442368. Its totient is φ = 67697975340.

The previous prime is 67948708831. The next prime is 67948708859. The reversal of 67948708853 is 35880784976.

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 67948708853 - 2¹⁶ = 67948643317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67948708853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67948708859) 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, 125366351 + ... + 125366892.

It is an arithmetic number, because the mean of its divisors is an integer number (17049860592).

Almost surely, 2^67948708853 is an apocalyptic number.

It is an amenable number.

67948708853 is a deficient number, since it is larger than the sum of its proper divisors (250733515).

67948708853 is a wasteful number, since it uses less digits than its factorization.

67948708853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250733514.

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 67948708853 in words is "sixty-seven billion, nine hundred forty-eight million, seven hundred eight thousand, eight hundred fifty-three".