2898864864 has 144 divisors (see below), whose sum is σ = 9437395968. Its totient is φ = 826834176.

The previous prime is 2898864851. The next prime is 2898864907. The reversal of 2898864864 is 4684688982.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

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, 1948729 + ... + 1950215.

It is an arithmetic number, because the mean of its divisors is an integer number (65537472).

Almost surely, 2^2898864864 is an apocalyptic number.

2898864864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2898864864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4718697984).

2898864864 is an abundant number, since it is smaller than the sum of its proper divisors (6538531104).

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

2898864864 is a wasteful number, since it uses less digits than its factorization.

2898864864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2466 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 63.

The square root of 2898864864 is about 53841.1075666168. The cubic root of 2898864864 is about 1425.8570593071.

The spelling of 2898864864 in words is "two billion, eight hundred ninety-eight million, eight hundred sixty-four thousand, eight hundred sixty-four".