10187128389 has 16 divisors (see below), whose sum is σ = 13626172800. Its totient is φ = 6769788480.

The previous prime is 10187128363. The next prime is 10187128397. The reversal of 10187128389 is 98382178101.

It is a happy number.

It is not a de Polignac number, because 10187128389 - 2⁹ = 10187127877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10187128339) 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 15 ways as a sum of consecutive naturals, for example, 1277587 + ... + 1285535.

It is an arithmetic number, because the mean of its divisors is an integer number (851635800).

Almost surely, 2^10187128389 is an apocalyptic number.

It is an amenable number.

10187128389 is a deficient number, since it is larger than the sum of its proper divisors (3439044411).

10187128389 is an equidigital number, since it uses as much as digits as its factorization.

10187128389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260.

The product of its (nonzero) digits is 193536, while the sum is 48.

The spelling of 10187128389 in words is "ten billion, one hundred eighty-seven million, one hundred twenty-eight thousand, three hundred eighty-nine".