189594641127 has 4 divisors (see below), whose sum is σ = 252792854840. Its totient is φ = 126396427416.

The previous prime is 189594641107. The next prime is 189594641149. The reversal of 189594641127 is 721146495981.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 189594641127 - 2¹² = 189594637031 is a prime.

It is a super-2 number, since 2×189594641127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189594641107) 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, 31599106852 + ... + 31599106857.

It is an arithmetic number, because the mean of its divisors is an integer number (63198213710).

Almost surely, 2^189594641127 is an apocalyptic number.

189594641127 is a deficient number, since it is larger than the sum of its proper divisors (63198213713).

189594641127 is an equidigital number, since it uses as much as digits as its factorization.

189594641127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63198213712.

The product of its digits is 4354560, while the sum is 57.

The spelling of 189594641127 in words is "one hundred eighty-nine billion, five hundred ninety-four million, six hundred forty-one thousand, one hundred twenty-seven".