2628542803 has 4 divisors (see below), whose sum is σ = 2719182240. Its totient is φ = 2537903368.

The previous prime is 2628542779. The next prime is 2628542809. The reversal of 2628542803 is 3082458262.

It is a happy number.

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 2628542803 - 2⁹ = 2628542291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2628542809) 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, 45319675 + ... + 45319732.

It is an arithmetic number, because the mean of its divisors is an integer number (679795560).

Almost surely, 2^2628542803 is an apocalyptic number.

2628542803 is a deficient number, since it is larger than the sum of its proper divisors (90639437).

2628542803 is an equidigital number, since it uses as much as digits as its factorization.

2628542803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90639436.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 2628542803 is about 51269.3163890450. The cubic root of 2628542803 is about 1380.0824012618.

The spelling of 2628542803 in words is "two billion, six hundred twenty-eight million, five hundred forty-two thousand, eight hundred three".