67014144439 has 4 divisors (see below), whose sum is σ = 73106339400. Its totient is φ = 60921949480.

The previous prime is 67014144397. The next prime is 67014144469. The reversal of 67014144439 is 93444141076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67014144439 - 2⁷ = 67014144311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67014144395 and 67014144404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67014144469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3046097464 + ... + 3046097485.

It is an arithmetic number, because the mean of its divisors is an integer number (18276584850).

Almost surely, 2^67014144439 is an apocalyptic number.

67014144439 is a deficient number, since it is larger than the sum of its proper divisors (6092194961).

67014144439 is a wasteful number, since it uses less digits than its factorization.

67014144439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092194960.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 67014144439 in words is "sixty-seven billion, fourteen million, one hundred forty-four thousand, four hundred thirty-nine".