67993351271 has 8 divisors (see below), whose sum is σ = 68791829040. Its totient is φ = 67195640512.

The previous prime is 67993351259. The next prime is 67993351277. The reversal of 67993351271 is 17215339976.

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

It is a cyclic number.

It is not a de Polignac number, because 67993351271 - 2³⁴ = 50813482087 is a prime.

It is a super-3 number, since 3×67993351271³ (a number of 33 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 (67993351277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12440 + ... + 368973.

It is an arithmetic number, because the mean of its divisors is an integer number (8598978630).

Almost surely, 2^67993351271 is an apocalyptic number.

67993351271 is a deficient number, since it is larger than the sum of its proper divisors (798477769).

67993351271 is a wasteful number, since it uses less digits than its factorization.

67993351271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383505.

The product of its digits is 2143260, while the sum is 53.

The spelling of 67993351271 in words is "sixty-seven billion, nine hundred ninety-three million, three hundred fifty-one thousand, two hundred seventy-one".