2628039902 has 4 divisors (see below), whose sum is σ = 3942059856. Its totient is φ = 1314019950.

The previous prime is 2628039889. The next prime is 2628039907. The reversal of 2628039902 is 2099308262.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2628039902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628039907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657009974 + ... + 657009977.

It is an arithmetic number, because the mean of its divisors is an integer number (985514964).

Almost surely, 2^2628039902 is an apocalyptic number.

2628039902 is a deficient number, since it is larger than the sum of its proper divisors (1314019954).

2628039902 is a wasteful number, since it uses less digits than its factorization.

2628039902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314019953.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2628039902 is about 51264.4116517492. The cubic root of 2628039902 is about 1379.9943817597.

The spelling of 2628039902 in words is "two billion, six hundred twenty-eight million, thirty-nine thousand, nine hundred two".