2921038720000 has 660 divisors, whose sum is σ = 7894031476320. Its totient is φ = 1079341056000.

The previous prime is 2921038719983. The next prime is 2921038720013. The reversal of 2921038720000 is 278301292.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 10858879866 + ... + 10858880134.

It is an arithmetic number, because the mean of its divisors is an integer number (11960653752).

Almost surely, 2^{2921038720000} is an apocalyptic number.

2921038720000 is a gapful number since it is divisible by the number (20) 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 2921038720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3947015738160).

2921038720000 is an abundant number, since it is smaller than the sum of its proper divisors (4972992756320).

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

2921038720000 is an equidigital number, since it uses as much as digits as its factorization.

2921038720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 2921038720000 in words is "two trillion, nine hundred twenty-one billion, thirty-eight million, seven hundred twenty thousand".