2628573613 has 4 divisors (see below), whose sum is σ = 2637545148. Its totient is φ = 2619602080.

The previous prime is 2628573587. The next prime is 2628573667. The reversal of 2628573613 is 3163758262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2474764009 + 153809604 = 49747^2 + 12402^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628573613 - 2¹³ = 2628565421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2628573613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628571613) 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, 4485328 + ... + 4485913.

It is an arithmetic number, because the mean of its divisors is an integer number (659386287).

Almost surely, 2^2628573613 is an apocalyptic number.

It is an amenable number.

2628573613 is a deficient number, since it is larger than the sum of its proper divisors (8971535).

2628573613 is an equidigital number, since it uses as much as digits as its factorization.

2628573613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8971534.

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

The square root of 2628573613 is about 51269.6168602809. The cubic root of 2628573613 is about 1380.0877933714.

The spelling of 2628573613 in words is "two billion, six hundred twenty-eight million, five hundred seventy-three thousand, six hundred thirteen".