2263942465 has 4 divisors (see below), whose sum is σ = 2716730964. Its totient is φ = 1811153968.

The previous prime is 2263942453. The next prime is 2263942501. The reversal of 2263942465 is 5642493622.

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 325477681 + 1938464784 = 18041^2 + 44028^2 .

It is a cyclic number.

It is not a de Polignac number, because 2263942465 - 2⁷ = 2263942337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226394242 + ... + 226394251.

It is an arithmetic number, because the mean of its divisors is an integer number (679182741).

Almost surely, 2^2263942465 is an apocalyptic number.

It is an amenable number.

2263942465 is a deficient number, since it is larger than the sum of its proper divisors (452788499).

2263942465 is an equidigital number, since it uses as much as digits as its factorization.

2263942465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452788498.

The product of its digits is 622080, while the sum is 43.

The square root of 2263942465 is about 47580.9044155321. The cubic root of 2263942465 is about 1313.0717622561.

The spelling of 2263942465 in words is "two billion, two hundred sixty-three million, nine hundred forty-two thousand, four hundred sixty-five".