2628213618 has 16 divisors (see below), whose sum is σ = 5258743200. Its totient is φ = 875685216.

The previous prime is 2628213571. The next prime is 2628213619. The reversal of 2628213618 is 8163128262.

It is not an unprimeable number, because it can be changed into a prime (2628213619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81568 + ... + 109131.

It is an arithmetic number, because the mean of its divisors is an integer number (328671450).

Almost surely, 2^2628213618 is an apocalyptic number.

2628213618 is an abundant number, since it is smaller than the sum of its proper divisors (2630529582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2628213618 is a wasteful number, since it uses less digits than its factorization.

2628213618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193001.

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

The square root of 2628213618 is about 51266.1059375490. The cubic root of 2628213618 is about 1380.0247874145.

The spelling of 2628213618 in words is "two billion, six hundred twenty-eight million, two hundred thirteen thousand, six hundred eighteen".