67011434797 has 4 divisors (see below), whose sum is σ = 69173094016. Its totient is φ = 64849775580.

The previous prime is 67011434753. The next prime is 67011434813. The reversal of 67011434797 is 79743411076.

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 67011434797 - 2²³ = 67003046189 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 67011434797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67011434297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080829563 + ... + 1080829624.

It is an arithmetic number, because the mean of its divisors is an integer number (17293273504).

Almost surely, 2^67011434797 is an apocalyptic number.

It is an amenable number.

67011434797 is a deficient number, since it is larger than the sum of its proper divisors (2161659219).

67011434797 is a wasteful number, since it uses less digits than its factorization.

67011434797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161659218.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 67011434797 in words is "sixty-seven billion, eleven million, four hundred thirty-four thousand, seven hundred ninety-seven".