2162049369 has 4 divisors (see below), whose sum is σ = 2882732496. Its totient is φ = 1441366244.

The previous prime is 2162049361. The next prime is 2162049371. The reversal of 2162049369 is 9639402612.

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 2162049369 - 2³ = 2162049361 is a prime.

It is a super-2 number, since 2×2162049369² = 9348914947986596322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2162049369.

It is not an unprimeable number, because it can be changed into a prime (2162049361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360341559 + ... + 360341564.

It is an arithmetic number, because the mean of its divisors is an integer number (720683124).

Almost surely, 2^2162049369 is an apocalyptic number.

It is an amenable number.

2162049369 is a deficient number, since it is larger than the sum of its proper divisors (720683127).

2162049369 is an equidigital number, since it uses as much as digits as its factorization.

2162049369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720683126.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 2162049369 is about 46497.8426273736. The cubic root of 2162049369 is about 1293.0695025411.

The spelling of 2162049369 in words is "two billion, one hundred sixty-two million, forty-nine thousand, three hundred sixty-nine".