18129269739900 has 144 divisors (see below), whose sum is σ = 59068457376768. Its totient is φ = 4253201088000.

The previous prime is 18129269739899. The next prime is 18129269739943. The reversal of 18129269739900 is 993796292181.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88506057 + ... + 88710656.

It is an arithmetic number, because the mean of its divisors is an integer number (410197620672).

Almost surely, 2^{18129269739900} is an apocalyptic number.

18129269739900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18129269739900 is an abundant number, since it is smaller than the sum of its proper divisors (40939187636868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18129269739900 is a wasteful number, since it uses less digits than its factorization.

18129269739900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177216772 (or 177216765 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 66.

The spelling of 18129269739900 in words is "eighteen trillion, one hundred twenty-nine billion, two hundred sixty-nine million, seven hundred thirty-nine thousand, nine hundred".