67734464989 has 8 divisors (see below), whose sum is σ = 68606334720. Its totient is φ = 66862957200.

The previous prime is 67734464977. The next prime is 67734464999. The reversal of 67734464989 is 98946443776.

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 67734464989 - 2¹⁵ = 67734432221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67734464939) 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, 296799 + ... + 472819.

It is an arithmetic number, because the mean of its divisors is an integer number (8575791840).

Almost surely, 2^67734464989 is an apocalyptic number.

It is an amenable number.

67734464989 is a deficient number, since it is larger than the sum of its proper divisors (871869731).

67734464989 is a wasteful number, since it uses less digits than its factorization.

67734464989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180971.

The product of its digits is 219469824, while the sum is 67.

The spelling of 67734464989 in words is "sixty-seven billion, seven hundred thirty-four million, four hundred sixty-four thousand, nine hundred eighty-nine".