187234741893 has 4 divisors (see below), whose sum is σ = 249646322528. Its totient is φ = 124823161260.

The previous prime is 187234741891. The next prime is 187234741913. The reversal of 187234741893 is 398147432781.

187234741893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 187234741893 - 2¹ = 187234741891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187234741891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31205790313 + ... + 31205790318.

It is an arithmetic number, because the mean of its divisors is an integer number (62411580632).

Almost surely, 2^187234741893 is an apocalyptic number.

It is an amenable number.

187234741893 is a deficient number, since it is larger than the sum of its proper divisors (62411580635).

187234741893 is an equidigital number, since it uses as much as digits as its factorization.

187234741893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62411580634.

The product of its digits is 8128512, while the sum is 57.

The spelling of 187234741893 in words is "one hundred eighty-seven billion, two hundred thirty-four million, seven hundred forty-one thousand, eight hundred ninety-three".