2818907892 has 72 divisors (see below), whose sum is σ = 7398658176. Its totient is φ = 938469888.

The previous prime is 2818907881. The next prime is 2818907893. The reversal of 2818907892 is 2987098182.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818907893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1181733 + ... + 1184115.

Almost surely, 2^2818907892 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 2818907892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3699329088).

2818907892 is an abundant number, since it is smaller than the sum of its proper divisors (4579750284).

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

2818907892 is a wasteful number, since it uses less digits than its factorization.

2818907892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 2818907892 is about 53093.3884019470. The cubic root of 2818907892 is about 1412.6252403844.

The spelling of 2818907892 in words is "two billion, eight hundred eighteen million, nine hundred seven thousand, eight hundred ninety-two".