2265407999 has 4 divisors (see below), whose sum is σ = 2267124240. Its totient is φ = 2263691760.

The previous prime is 2265407971. The next prime is 2265408031. The reversal of 2265407999 is 9997045622.

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

It is a cyclic number.

It is not a de Polignac number, because 2265407999 - 2²⁰ = 2264359423 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 2265407999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265407909) 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, 856139 + ... + 858780.

It is an arithmetic number, because the mean of its divisors is an integer number (566781060).

Almost surely, 2^2265407999 is an apocalyptic number.

2265407999 is a deficient number, since it is larger than the sum of its proper divisors (1716241).

2265407999 is a wasteful number, since it uses less digits than its factorization.

2265407999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716240.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 2265407999 is about 47596.3023668856. The cubic root of 2265407999 is about 1313.3550345059.

The spelling of 2265407999 in words is "two billion, two hundred sixty-five million, four hundred seven thousand, nine hundred ninety-nine".