188852391249 has 4 divisors (see below), whose sum is σ = 251803188336. Its totient is φ = 125901594164.

The previous prime is 188852391229. The next prime is 188852391289. The reversal of 188852391249 is 942193258881.

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 not a de Polignac number, because 188852391249 - 2¹⁶ = 188852325713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188852391192 and 188852391201.

It is not an unprimeable number, because it can be changed into a prime (188852391229) 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, 31475398539 + ... + 31475398544.

It is an arithmetic number, because the mean of its divisors is an integer number (62950797084).

Almost surely, 2^188852391249 is an apocalyptic number.

It is an amenable number.

188852391249 is a deficient number, since it is larger than the sum of its proper divisors (62950797087).

188852391249 is an equidigital number, since it uses as much as digits as its factorization.

188852391249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62950797086.

The product of its digits is 9953280, while the sum is 60.

The spelling of 188852391249 in words is "one hundred eighty-eight billion, eight hundred fifty-two million, three hundred ninety-one thousand, two hundred forty-nine".