2628834949 has 16 divisors (see below), whose sum is σ = 2932110720. Its totient is φ = 2340192960.

The previous prime is 2628834947. The next prime is 2628834977. The reversal of 2628834949 is 9494388262.

It is a cyclic number.

It is not a de Polignac number, because 2628834949 - 2¹ = 2628834947 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 2628834949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628834947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360954 + ... + 368164.

It is an arithmetic number, because the mean of its divisors is an integer number (183256920).

Almost surely, 2^2628834949 is an apocalyptic number.

2628834949 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2628834949 is a deficient number, since it is larger than the sum of its proper divisors (303275771).

2628834949 is a wasteful number, since it uses less digits than its factorization.

2628834949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220.

The product of its digits is 5971968, while the sum is 55.

The square root of 2628834949 is about 51272.1654409096. The cubic root of 2628834949 is about 1380.1335285273.

The spelling of 2628834949 in words is "two billion, six hundred twenty-eight million, eight hundred thirty-four thousand, nine hundred forty-nine".