2641075681 has 8 divisors (see below), whose sum is σ = 2797532640. Its totient is φ = 2484740928.

The previous prime is 2641075669. The next prime is 2641075693. The reversal of 2641075681 is 1865701462.

It is an interprime number because it is at equal distance from previous prime (2641075669) and next prime (2641075693).

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 2641075681 - 2⁷ = 2641075553 is a prime.

It is a super-2 number, since 2×2641075681² = 13950561505539227522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641075631) 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, 15990 + ... + 74416.

It is an arithmetic number, because the mean of its divisors is an integer number (349691580).

Almost surely, 2^2641075681 is an apocalyptic number.

It is an amenable number.

2641075681 is a deficient number, since it is larger than the sum of its proper divisors (156456959).

2641075681 is a wasteful number, since it uses less digits than its factorization.

2641075681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61103.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2641075681 is about 51391.3969551325. The cubic root of 2641075681 is about 1382.2723329115.

The spelling of 2641075681 in words is "two billion, six hundred forty-one million, seventy-five thousand, six hundred eighty-one".