2641305265 has 8 divisors (see below), whose sum is σ = 3207754368. Its totient is φ = 2087585520.

The previous prime is 2641305253. The next prime is 2641305281. The reversal of 2641305265 is 5625031462.

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

It is not a de Polignac number, because 2641305265 - 2¹⁵ = 2641272497 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 2641305265.

It is an unprimeable number.

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, 3181881 + ... + 3182710.

It is an arithmetic number, because the mean of its divisors is an integer number (400969296).

Almost surely, 2^2641305265 is an apocalyptic number.

It is an amenable number.

2641305265 is a deficient number, since it is larger than the sum of its proper divisors (566449103).

2641305265 is an equidigital number, since it uses as much as digits as its factorization.

2641305265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364679.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2641305265 is about 51393.6305878462. The cubic root of 2641305265 is about 1382.3123845741.

The spelling of 2641305265 in words is "two billion, six hundred forty-one million, three hundred five thousand, two hundred sixty-five".