2676581261 has 16 divisors (see below), whose sum is σ = 2818572288. Its totient is φ = 2538572400.

The previous prime is 2676581227. The next prime is 2676581263. The reversal of 2676581261 is 1621856762.

It is a cyclic number.

It is not a de Polignac number, because 2676581261 - 2¹⁸ = 2676319117 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2676581263) 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 15 ways as a sum of consecutive naturals, for example, 322676 + ... + 330866.

It is an arithmetic number, because the mean of its divisors is an integer number (176160768).

Almost surely, 2^2676581261 is an apocalyptic number.

It is an amenable number.

2676581261 is a deficient number, since it is larger than the sum of its proper divisors (141991027).

2676581261 is a wasteful number, since it uses less digits than its factorization.

2676581261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432.

The product of its digits is 241920, while the sum is 44.

The square root of 2676581261 is about 51735.6865326053. The cubic root of 2676581261 is about 1388.4390221288.

The spelling of 2676581261 in words is "two billion, six hundred seventy-six million, five hundred eighty-one thousand, two hundred sixty-one".