2625892289 has 4 divisors (see below), whose sum is σ = 2645059524. Its totient is φ = 2606725056.

The previous prime is 2625892277. The next prime is 2625892307. The reversal of 2625892289 is 9822985262.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 548355889 + 2077536400 = 23417^2 + 45580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625892289 - 2²⁰ = 2624843713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2625892289.

It is not an unprimeable number, because it can be changed into a prime (2625862289) 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 3 ways as a sum of consecutive naturals, for example, 9583412 + ... + 9583685.

It is an arithmetic number, because the mean of its divisors is an integer number (661264881).

Almost surely, 2^2625892289 is an apocalyptic number.

It is an amenable number.

2625892289 is a deficient number, since it is larger than the sum of its proper divisors (19167235).

2625892289 is a wasteful number, since it uses less digits than its factorization.

2625892289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19167234.

The product of its digits is 2488320, while the sum is 53.

The square root of 2625892289 is about 51243.4609389335. The cubic root of 2625892289 is about 1379.6183725597.

The spelling of 2625892289 in words is "two billion, six hundred twenty-five million, eight hundred ninety-two thousand, two hundred eighty-nine".