2628231607 has 4 divisors (see below), whose sum is σ = 2628674856. Its totient is φ = 2627788360.

The previous prime is 2628231589. The next prime is 2628231611. The reversal of 2628231607 is 7061328262.

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 2628231607 - 2⁷ = 2628231479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628231667) 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, 212608 + ... + 224629.

It is an arithmetic number, because the mean of its divisors is an integer number (657168714).

Almost surely, 2^2628231607 is an apocalyptic number.

2628231607 is a deficient number, since it is larger than the sum of its proper divisors (443249).

2628231607 is an equidigital number, since it uses as much as digits as its factorization.

2628231607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443248.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2628231607 is about 51266.2813845514. The cubic root of 2628231607 is about 1380.0279359674.

Adding to 2628231607 its reverse (7061328262), we get a palindrome (9689559869).

The spelling of 2628231607 in words is "two billion, six hundred twenty-eight million, two hundred thirty-one thousand, six hundred seven".