18424266079549 has 8 divisors (see below), whose sum is σ = 20526841899648. Its totient is φ = 16392964016160.

The previous prime is 18424266079543. The next prime is 18424266079577. The reversal of 18424266079549 is 94597066242481.

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 18424266079549 - 2²⁹ = 18423729208637 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 (18424266079543) 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, 17818438632 + ... + 17818439665.

It is an arithmetic number, because the mean of its divisors is an integer number (2565855237456).

Almost surely, 2^{18424266079549} is an apocalyptic number.

It is an amenable number.

18424266079549 is a deficient number, since it is larger than the sum of its proper divisors (2102575820099).

18424266079549 is a wasteful number, since it uses less digits than its factorization.

18424266079549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35636878355.

The product of its (nonzero) digits is 209018880, while the sum is 67.

The spelling of 18424266079549 in words is "eighteen trillion, four hundred twenty-four billion, two hundred sixty-six million, seventy-nine thousand, five hundred forty-nine".