2271013609 has 4 divisors (see below), whose sum is σ = 2271371140. Its totient is φ = 2270656080.

The previous prime is 2271013607. The next prime is 2271013621. The reversal of 2271013609 is 9063101722.

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 1033944025 + 1237069584 = 32155^2 + 35172^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271013609 - 2¹ = 2271013607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2271013601) 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, 169062 + ... + 181999.

It is an arithmetic number, because the mean of its divisors is an integer number (567842785).

Almost surely, 2^2271013609 is an apocalyptic number.

It is an amenable number.

2271013609 is a deficient number, since it is larger than the sum of its proper divisors (357531).

2271013609 is an equidigital number, since it uses as much as digits as its factorization.

2271013609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357530.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2271013609 is about 47655.1530162269. The cubic root of 2271013609 is about 1314.4374137880.

The spelling of 2271013609 in words is "two billion, two hundred seventy-one million, thirteen thousand, six hundred nine".