2812538036 has 72 divisors (see below), whose sum is σ = 6231115968. Its totient is φ = 1087257600.

The previous prime is 2812537979. The next prime is 2812538111. The reversal of 2812538036 is 6308352182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440660 + ... + 446996.

Almost surely, 2^2812538036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2812538036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3115557984).

2812538036 is an abundant number, since it is smaller than the sum of its proper divisors (3418577932).

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

2812538036 is a wasteful number, since it uses less digits than its factorization.

2812538036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2812538036 is about 53033.3671946257. The cubic root of 2812538036 is about 1411.5604065367.

The spelling of 2812538036 in words is "two billion, eight hundred twelve million, five hundred thirty-eight thousand, thirty-six".