18277554589396 has 12 divisors (see below), whose sum is σ = 32010768089748. Its totient is φ = 9131620849472.

The previous prime is 18277554589379. The next prime is 18277554589397. The reversal of 18277554589396 is 69398545577281.

It can be written as a sum of positive squares in 2 ways, for example, as 9435340890000 + 8842213699396 = 3071700^2 + 2973586^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18277554589397) 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, 1789105561 + ... + 1789115776.

It is an arithmetic number, because the mean of its divisors is an integer number (2667564007479).

Almost surely, 2^{18277554589396} is an apocalyptic number.

It is an amenable number.

18277554589396 is a deficient number, since it is larger than the sum of its proper divisors (13733213500352).

18277554589396 is a wasteful number, since it uses less digits than its factorization.

18277554589396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578222618 (or 3578222616 counting only the distinct ones).

The product of its digits is 4572288000, while the sum is 79.

The spelling of 18277554589396 in words is "eighteen trillion, two hundred seventy-seven billion, five hundred fifty-four million, five hundred eighty-nine thousand, three hundred ninety-six".