2104869312 has 252 divisors, whose sum is σ = 7468727760. Its totient is φ = 554950656.

The previous prime is 2104869289. The next prime is 2104869359. The reversal of 2104869312 is 2139684012.

It is a tau number, because it is divible by the number of its divisors (252).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 679864 + ... + 682952.

Almost surely, 2^2104869312 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 2104869312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3734363880).

2104869312 is an abundant number, since it is smaller than the sum of its proper divisors (5363858448).

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

2104869312 is a wasteful number, since it uses less digits than its factorization.

2104869312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2104869312 is about 45878.8547372316. The cubic root of 2104869312 is about 1281.5681691468.

The spelling of 2104869312 in words is "two billion, one hundred four million, eight hundred sixty-nine thousand, three hundred twelve".