2627513891 has 4 divisors (see below), whose sum is σ = 2630088384. Its totient is φ = 2624939400.

The previous prime is 2627513887. The next prime is 2627513909. The reversal of 2627513891 is 1983157262.

2627513891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2627513891 - 2² = 2627513887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2627513191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285715 + ... + 1287756.

It is an arithmetic number, because the mean of its divisors is an integer number (657522096).

Almost surely, 2^2627513891 is an apocalyptic number.

2627513891 is a deficient number, since it is larger than the sum of its proper divisors (2574493).

2627513891 is a wasteful number, since it uses less digits than its factorization.

2627513891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574492.

The product of its digits is 181440, while the sum is 44.

The square root of 2627513891 is about 51259.2810230499. The cubic root of 2627513891 is about 1379.9023054484.

The spelling of 2627513891 in words is "two billion, six hundred twenty-seven million, five hundred thirteen thousand, eight hundred ninety-one".