2265378673 has 8 divisors (see below), whose sum is σ = 2405324160. Its totient is φ = 2126176320.

The previous prime is 2265378623. The next prime is 2265378697. The reversal of 2265378673 is 3768735622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2265378673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265378623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179493 + ... + 191698.

It is an arithmetic number, because the mean of its divisors is an integer number (300665520).

Almost surely, 2^2265378673 is an apocalyptic number.

It is an amenable number.

2265378673 is a deficient number, since it is larger than the sum of its proper divisors (139945487).

2265378673 is a wasteful number, since it uses less digits than its factorization.

2265378673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371567.

The product of its digits is 2540160, while the sum is 49.

The square root of 2265378673 is about 47595.9942957388. The cubic root of 2265378673 is about 1313.3493672978.

The spelling of 2265378673 in words is "two billion, two hundred sixty-five million, three hundred seventy-eight thousand, six hundred seventy-three".