18372536229 has 64 divisors (see below), whose sum is σ = 27951759360. Its totient is φ = 10672896960.

The previous prime is 18372536219. The next prime is 18372536263. The reversal of 18372536229 is 92263527381.

It is not a de Polignac number, because 18372536229 - 2¹⁹ = 18372011941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18372536209) 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 63 ways as a sum of consecutive naturals, for example, 6785694 + ... + 6788400.

It is an arithmetic number, because the mean of its divisors is an integer number (436746240).

Almost surely, 2^18372536229 is an apocalyptic number.

18372536229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

18372536229 is a deficient number, since it is larger than the sum of its proper divisors (9579223131).

18372536229 is a wasteful number, since it uses less digits than its factorization.

18372536229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950.

The product of its digits is 1088640, while the sum is 48.

The spelling of 18372536229 in words is "eighteen billion, three hundred seventy-two million, five hundred thirty-six thousand, two hundred twenty-nine".