2612731642571 has 4 divisors (see below), whose sum is σ = 2612943332112. Its totient is φ = 2612519953032.

The previous prime is 2612731642553. The next prime is 2612731642649. The reversal of 2612731642571 is 1752461372162.

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

It is a cyclic number.

It is not a de Polignac number, because 2612731642571 - 2²² = 2612727448267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2612731642511) 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 3 ways as a sum of consecutive naturals, for example, 105826256 + ... + 105850941.

It is an arithmetic number, because the mean of its divisors is an integer number (653235833028).

Almost surely, 2^{2612731642571} is an apocalyptic number.

2612731642571 is a deficient number, since it is larger than the sum of its proper divisors (211689541).

2612731642571 is a wasteful number, since it uses less digits than its factorization.

2612731642571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211689540.

The product of its digits is 846720, while the sum is 47.

The spelling of 2612731642571 in words is "two trillion, six hundred twelve billion, seven hundred thirty-one million, six hundred forty-two thousand, five hundred seventy-one".