2641611265 has 16 divisors (see below), whose sum is σ = 3254208768. Its totient is φ = 2057573376.

The previous prime is 2641611241. The next prime is 2641611281. The reversal of 2641611265 is 5621161462.

It is a cyclic number.

It is not a de Polignac number, because 2641611265 - 2¹³ = 2641603073 is a prime.

It is a super-2 number, since 2×2641611265² = 13956220150749800450, which contains 22 as substring.

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 2641611265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16234 + ... + 74476.

It is an arithmetic number, because the mean of its divisors is an integer number (203388048).

Almost surely, 2^2641611265 is an apocalyptic number.

It is an amenable number.

2641611265 is a deficient number, since it is larger than the sum of its proper divisors (612597503).

2641611265 is a wasteful number, since it uses less digits than its factorization.

2641611265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58488.

The product of its digits is 17280, while the sum is 34.

The square root of 2641611265 is about 51396.6075242326. The cubic root of 2641611265 is about 1382.3657636441.

The spelling of 2641611265 in words is "two billion, six hundred forty-one million, six hundred eleven thousand, two hundred sixty-five".