2265151869 has 6 divisors (see below), whose sum is σ = 3271886046. Its totient is φ = 1510101240.

The previous prime is 2265151843. The next prime is 2265151871. The reversal of 2265151869 is 9681515622.

2265151869 is a `hidden beast` number, since 2 + 26 + 51 + 518 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2261002500 + 4149369 = 47550^2 + 2037^2 .

It is not a de Polignac number, because 2265151869 - 2¹⁹ = 2264627581 is a prime.

It is a super-2 number, since 2×2265151869² = 10261825979268386322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265155869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125841762 + ... + 125841779.

It is an arithmetic number, because the mean of its divisors is an integer number (545314341).

Almost surely, 2^2265151869 is an apocalyptic number.

It is an amenable number.

2265151869 is a deficient number, since it is larger than the sum of its proper divisors (1006734177).

2265151869 is a wasteful number, since it uses less digits than its factorization.

2265151869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251683547 (or 251683544 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 2265151869 is about 47593.6116406393. The cubic root of 2265151869 is about 1313.3055360927.

The spelling of 2265151869 in words is "two billion, two hundred sixty-five million, one hundred fifty-one thousand, eight hundred sixty-nine".