10557238189 has 4 divisors (see below), whose sum is σ = 10565493760. Its totient is φ = 10548982620.

The previous prime is 10557238177. The next prime is 10557238199. The reversal of 10557238189 is 98183275501.

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 10557238189 - 2²⁹ = 10020367277 is a prime.

It is a super-2 number, since 2×10557238189² (a number of 21 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 (10557238129) 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, 4125867 + ... + 4128424.

It is an arithmetic number, because the mean of its divisors is an integer number (2641373440).

Almost surely, 2^10557238189 is an apocalyptic number.

It is an amenable number.

10557238189 is a deficient number, since it is larger than the sum of its proper divisors (8255571).

10557238189 is an equidigital number, since it uses as much as digits as its factorization.

10557238189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255570.

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 10557238189 in words is "ten billion, five hundred fifty-seven million, two hundred thirty-eight thousand, one hundred eighty-nine".