2047621312 has 56 divisors (see below), whose sum is σ = 4444624080. Its totient is φ = 928220160.

The previous prime is 2047621271. The next prime is 2047621319. The reversal of 2047621312 is 2131267402.

It is not an unprimeable number, because it can be changed into a prime (2047621319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270118 + ... + 277594.

Almost surely, 2^2047621312 is an apocalyptic number.

2047621312 is a gapful number since it is divisible by the number (22) 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 2047621312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2222312040).

2047621312 is an abundant number, since it is smaller than the sum of its proper divisors (2397002768).

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

2047621312 is a wasteful number, since it uses less digits than its factorization.

2047621312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7889 (or 7879 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2047621312 is about 45250.6498516872. The cubic root of 2047621312 is about 1269.8425646495.

Adding to 2047621312 its reverse (2131267402), we get a palindrome (4178888714).

The spelling of 2047621312 in words is "two billion, forty-seven million, six hundred twenty-one thousand, three hundred twelve".