189029233500 has 48 divisors (see below), whose sum is σ = 550453132320. Its totient is φ = 50407795200.

The previous prime is 189029233493. The next prime is 189029233501. The reversal of 189029233500 is 5332920981.

It is a super-2 number, since 2×189029233500² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189029233501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63008245 + ... + 63011244.

It is an arithmetic number, because the mean of its divisors is an integer number (11467773590).

Almost surely, 2^189029233500 is an apocalyptic number.

189029233500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189029233500 is an abundant number, since it is smaller than the sum of its proper divisors (361423898820).

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

189029233500 is a wasteful number, since it uses less digits than its factorization.

189029233500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126019511 (or 126019499 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 189029233500 in words is "one hundred eighty-nine billion, twenty-nine million, two hundred thirty-three thousand, five hundred".