2628812631 has 8 divisors (see below), whose sum is σ = 3526072704. Its totient is φ = 1742047160.

The previous prime is 2628812591. The next prime is 2628812633. The reversal of 2628812631 is 1362188262.

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

It is a cyclic number.

It is not a de Polignac number, because 2628812631 - 2¹⁸ = 2628550487 is a prime.

It is a super-2 number, since 2×2628812631² = 13821311697810284322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2628812631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628812633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2623065 + ... + 2624066.

It is an arithmetic number, because the mean of its divisors is an integer number (440759088).

Almost surely, 2^2628812631 is an apocalyptic number.

2628812631 is a deficient number, since it is larger than the sum of its proper divisors (897260073).

2628812631 is a wasteful number, since it uses less digits than its factorization.

2628812631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247301.

The product of its digits is 55296, while the sum is 39.

The square root of 2628812631 is about 51271.9477979918. The cubic root of 2628812631 is about 1380.1296228799.

The spelling of 2628812631 in words is "two billion, six hundred twenty-eight million, eight hundred twelve thousand, six hundred thirty-one".