67343681045 has 16 divisors (see below), whose sum is σ = 81028097280. Its totient is φ = 53731280064.

The previous prime is 67343681029. The next prime is 67343681047. The reversal of 67343681045 is 54018634376.

It is a cyclic number.

It is not a de Polignac number, because 67343681045 - 2⁴ = 67343681029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67343681047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5408567 + ... + 5421003.

It is an arithmetic number, because the mean of its divisors is an integer number (5064256080).

Almost surely, 2^67343681045 is an apocalyptic number.

It is an amenable number.

67343681045 is a deficient number, since it is larger than the sum of its proper divisors (13684416235).

67343681045 is a wasteful number, since it uses less digits than its factorization.

67343681045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15244.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 67343681045 in words is "sixty-seven billion, three hundred forty-three million, six hundred eighty-one thousand, forty-five".