2648618465 has 8 divisors (see below), whose sum is σ = 3211109160. Its totient is φ = 2097050112.

The previous prime is 2648618437. The next prime is 2648618507. The reversal of 2648618465 is 5648168462.

It can be written as a sum of positive squares in 4 ways, for example, as 47720464 + 2600898001 = 6908^2 + 50999^2 .

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-2648618465 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2730050 + ... + 2731019.

It is an arithmetic number, because the mean of its divisors is an integer number (401388645).

Almost surely, 2^2648618465 is an apocalyptic number.

It is an amenable number.

2648618465 is a deficient number, since it is larger than the sum of its proper divisors (562490695).

2648618465 is an equidigital number, since it uses as much as digits as its factorization.

2648618465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461171.

The product of its digits is 2211840, while the sum is 50.

The square root of 2648618465 is about 51464.7303014404. The cubic root of 2648618465 is about 1383.5869830839.

The spelling of 2648618465 in words is "two billion, six hundred forty-eight million, six hundred eighteen thousand, four hundred sixty-five".