2921053720 has 128 divisors (see below), whose sum is σ = 7206978240. Its totient is φ = 1059102720.

The previous prime is 2921053699. The next prime is 2921053727. The reversal of 2921053720 is 273501292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921053727) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9332284 + ... + 9332596.

Almost surely, 2^2921053720 is an apocalyptic number.

2921053720 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 2921053720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3603489120).

2921053720 is an abundant number, since it is smaller than the sum of its proper divisors (4285924520).

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

2921053720 is a wasteful number, since it uses less digits than its factorization.

2921053720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2921053720 is about 54046.7734467100. The cubic root of 2921053720 is about 1429.4858079267.

The spelling of 2921053720 in words is "two billion, nine hundred twenty-one million, fifty-three thousand, seven hundred twenty".