18589877046037 has 4 divisors (see below), whose sum is σ = 20279865868416. Its totient is φ = 16899888223660.

The previous prime is 18589877046019. The next prime is 18589877046079. The reversal of 18589877046037 is 73064077898581.

It is the 1760203-rd star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18589877046037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18589877046337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844994411173 + ... + 844994411194.

It is an arithmetic number, because the mean of its divisors is an integer number (5069966467104).

Almost surely, 2^{18589877046037} is an apocalyptic number.

It is an amenable number.

18589877046037 is a deficient number, since it is larger than the sum of its proper divisors (1689988822379).

18589877046037 is a wasteful number, since it uses less digits than its factorization.

18589877046037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689988822378.

The product of its (nonzero) digits is 568995840, while the sum is 73.

The spelling of 18589877046037 in words is "eighteen trillion, five hundred eighty-nine billion, eight hundred seventy-seven million, forty-six thousand, thirty-seven".