2409721116 has 24 divisors (see below), whose sum is σ = 6133835904. Its totient is φ = 730218480.

The previous prime is 2409721103. The next prime is 2409721123. The reversal of 2409721116 is 6111279042.

It is a happy number.

2409721116 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9127600 + ... + 9127863.

It is an arithmetic number, because the mean of its divisors is an integer number (255576496).

Almost surely, 2^2409721116 is an apocalyptic number.

It is an amenable number.

2409721116 is an abundant number, since it is smaller than the sum of its proper divisors (3724114788).

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

2409721116 is a wasteful number, since it uses less digits than its factorization.

2409721116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18255481 (or 18255479 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2409721116 is about 49088.9103158748. The cubic root of 2409721116 is about 1340.6711414876.

The spelling of 2409721116 in words is "two billion, four hundred nine million, seven hundred twenty-one thousand, one hundred sixteen".