2269360661 has 4 divisors (see below), whose sum is σ = 2275348800. Its totient is φ = 2263372524.

The previous prime is 2269360657. The next prime is 2269360663. The reversal of 2269360661 is 1660639622.

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 2269360661 - 2² = 2269360657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269360663) 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, 2993501 + ... + 2994258.

It is an arithmetic number, because the mean of its divisors is an integer number (568837200).

Almost surely, 2^2269360661 is an apocalyptic number.

It is an amenable number.

2269360661 is a deficient number, since it is larger than the sum of its proper divisors (5988139).

2269360661 is an equidigital number, since it uses as much as digits as its factorization.

2269360661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5988138.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 2269360661 is about 47637.8070549013. The cubic root of 2269360661 is about 1314.1184337478.

The spelling of 2269360661 in words is "two billion, two hundred sixty-nine million, three hundred sixty thousand, six hundred sixty-one".