2409991516 has 6 divisors (see below), whose sum is σ = 4217485160. Its totient is φ = 1204995756.

The previous prime is 2409991489. The next prime is 2409991531. The reversal of 2409991516 is 6151999042.

It is a happy number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 301248936 + ... + 301248943.

Almost surely, 2^2409991516 is an apocalyptic number.

It is an amenable number.

2409991516 is a deficient number, since it is larger than the sum of its proper divisors (1807493644).

2409991516 is a wasteful number, since it uses less digits than its factorization.

2409991516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602497883 (or 602497881 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 2409991516 is about 49091.6644248288. The cubic root of 2409991516 is about 1340.7212861448.

The spelling of 2409991516 in words is "two billion, four hundred nine million, nine hundred ninety-one thousand, five hundred sixteen".