67734853389 has 12 divisors (see below), whose sum is σ = 111816266016. Its totient is φ = 38705630472.

The previous prime is 67734853369. The next prime is 67734853399. The reversal of 67734853389 is 98335843776.

67734853389 is a `hidden beast` number, since 6 + 7 + 73 + 485 + 3 + 3 + 89 = 666.

It is not a de Polignac number, because 67734853389 - 2⁸ = 67734853133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1075156403 = 67734853389 / (6 + 7 + 7 + 3 + 4 + 8 + 5 + 3 + 3 + 8 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67734853369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537578139 + ... + 537578264.

It is an arithmetic number, because the mean of its divisors is an integer number (9318022168).

Almost surely, 2^67734853389 is an apocalyptic number.

It is an amenable number.

67734853389 is a deficient number, since it is larger than the sum of its proper divisors (44081412627).

67734853389 is a wasteful number, since it uses less digits than its factorization.

67734853389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075156416 (or 1075156413 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 67734853389 in words is "sixty-seven billion, seven hundred thirty-four million, eight hundred fifty-three thousand, three hundred eighty-nine".