2628986565 has 8 divisors (see below), whose sum is σ = 4206378528. Its totient is φ = 1402126160.

The previous prime is 2628986537. The next prime is 2628986579. The reversal of 2628986565 is 5656898262.

2628986565 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2628986565 - 2¹² = 2628982469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87632871 + ... + 87632900.

It is an arithmetic number, because the mean of its divisors is an integer number (525797316).

Almost surely, 2^2628986565 is an apocalyptic number.

It is an amenable number.

2628986565 is a deficient number, since it is larger than the sum of its proper divisors (1577391963).

2628986565 is a wasteful number, since it uses less digits than its factorization.

2628986565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175265779.

The product of its digits is 12441600, while the sum is 57.

The square root of 2628986565 is about 51273.6439606159. The cubic root of 2628986565 is about 1380.1600607245.

The spelling of 2628986565 in words is "two billion, six hundred twenty-eight million, nine hundred eighty-six thousand, five hundred sixty-five".