2641521133267 has 4 divisors (see below), whose sum is σ = 2644596246040. Its totient is φ = 2638446020496.

The previous prime is 2641521133201. The next prime is 2641521133313. The reversal of 2641521133267 is 7623311251462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2641521133267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2641521134267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537555098 + ... + 1537556815.

It is an arithmetic number, because the mean of its divisors is an integer number (661149061510).

Almost surely, 2^{2641521133267} is an apocalyptic number.

2641521133267 is a deficient number, since it is larger than the sum of its proper divisors (3075112773).

2641521133267 is an equidigital number, since it uses as much as digits as its factorization.

2641521133267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075112772.

The product of its digits is 362880, while the sum is 43.

The spelling of 2641521133267 in words is "two trillion, six hundred forty-one billion, five hundred twenty-one million, one hundred thirty-three thousand, two hundred sixty-seven".