2612205089 has 4 divisors (see below), whose sum is σ = 2813143956. Its totient is φ = 2411266224.

The previous prime is 2612205077. The next prime is 2612205097. The reversal of 2612205089 is 9805022162.

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 946177600 + 1666027489 = 30760^2 + 40817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2612205089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2612505089) 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, 100469414 + ... + 100469439.

It is an arithmetic number, because the mean of its divisors is an integer number (703285989).

Almost surely, 2^2612205089 is an apocalyptic number.

It is an amenable number.

2612205089 is a deficient number, since it is larger than the sum of its proper divisors (200938867).

2612205089 is a wasteful number, since it uses less digits than its factorization.

2612205089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200938866.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2612205089 is about 51109.7357555290. The cubic root of 2612205089 is about 1377.2171549136.

The spelling of 2612205089 in words is "two billion, six hundred twelve million, two hundred five thousand, eighty-nine".