2132179569 has 12 divisors (see below), whose sum is σ = 3316723956. Its totient is φ = 1312110432.

The previous prime is 2132179561. The next prime is 2132179571. The reversal of 2132179569 is 9659712312.

It is a happy number.

2132179569 is a `hidden beast` number, since 2 + 13 + 2 + 1 + 79 + 569 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 166410000 + 1965769569 = 12900^2 + 44337^2 .

It is not a de Polignac number, because 2132179569 - 2³ = 2132179561 is a prime.

It is a super-2 number, since 2×2132179569² = 9092379428922051522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2132179561) 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 11 ways as a sum of consecutive naturals, for example, 9111762 + ... + 9111995.

It is an arithmetic number, because the mean of its divisors is an integer number (276393663).

Almost surely, 2^2132179569 is an apocalyptic number.

It is an amenable number.

2132179569 is a deficient number, since it is larger than the sum of its proper divisors (1184544387).

2132179569 is a wasteful number, since it uses less digits than its factorization.

2132179569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18223776 (or 18223773 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 2132179569 is about 46175.5299807160. The cubic root of 2132179569 is about 1287.0870652879.

The spelling of 2132179569 in words is "two billion, one hundred thirty-two million, one hundred seventy-nine thousand, five hundred sixty-nine".