2665494479 has 8 divisors (see below), whose sum is σ = 2704949232. Its totient is φ = 2626119360.

The previous prime is 2665494473. The next prime is 2665494521. The reversal of 2665494479 is 9744945662.

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

It is a cyclic number.

It is not a de Polignac number, because 2665494479 - 2¹⁶ = 2665428943 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 (2665494473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49292 + ... + 88094.

It is an arithmetic number, because the mean of its divisors is an integer number (338118654).

Almost surely, 2^2665494479 is an apocalyptic number.

2665494479 is a deficient number, since it is larger than the sum of its proper divisors (39454753).

2665494479 is an equidigital number, since it uses as much as digits as its factorization.

2665494479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39817.

The product of its digits is 13063680, while the sum is 56.

The square root of 2665494479 is about 51628.4270436356. The cubic root of 2665494479 is about 1386.5193315387.

The spelling of 2665494479 in words is "two billion, six hundred sixty-five million, four hundred ninety-four thousand, four hundred seventy-nine".