2818628538 has 16 divisors (see below), whose sum is σ = 6149735136. Its totient is φ = 854129840.

The previous prime is 2818628521. The next prime is 2818628567. The reversal of 2818628538 is 8358268182.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21353181 + ... + 21353312.

It is an arithmetic number, because the mean of its divisors is an integer number (384358446).

Almost surely, 2^2818628538 is an apocalyptic number.

2818628538 is an abundant number, since it is smaller than the sum of its proper divisors (3331106598).

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

2818628538 is a wasteful number, since it uses less digits than its factorization.

2818628538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42706509.

The product of its digits is 1474560, while the sum is 51.

The square root of 2818628538 is about 53090.7575572246. The cubic root of 2818628538 is about 1412.5785750844.

The spelling of 2818628538 in words is "two billion, eight hundred eighteen million, six hundred twenty-eight thousand, five hundred thirty-eight".