2654612665 has 8 divisors (see below), whose sum is σ = 3239527680. Its totient is φ = 2087695152.

The previous prime is 2654612663. The next prime is 2654612671. The reversal of 2654612665 is 5662164562.

It is a happy number.

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 2654612665 - 2¹ = 2654612663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2654612663) 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, 4499049 + ... + 4499638.

It is an arithmetic number, because the mean of its divisors is an integer number (404940960).

Almost surely, 2^2654612665 is an apocalyptic number.

It is an amenable number.

2654612665 is a deficient number, since it is larger than the sum of its proper divisors (584915015).

2654612665 is an equidigital number, since it uses as much as digits as its factorization.

2654612665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8998751.

The product of its digits is 518400, while the sum is 43.

The square root of 2654612665 is about 51522.9333889289. The cubic root of 2654612665 is about 1384.6299480112.

The spelling of 2654612665 in words is "two billion, six hundred fifty-four million, six hundred twelve thousand, six hundred sixty-five".