2009612516 has 12 divisors (see below), whose sum is σ = 3542123760. Its totient is φ = 997577160.

The previous prime is 2009612509. The next prime is 2009612519. The reversal of 2009612516 is 6152169002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2009612519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1806650 + ... + 1807761.

It is an arithmetic number, because the mean of its divisors is an integer number (295176980).

Almost surely, 2^2009612516 is an apocalyptic number.

It is an amenable number.

2009612516 is a deficient number, since it is larger than the sum of its proper divisors (1532511244).

2009612516 is a wasteful number, since it uses less digits than its factorization.

2009612516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614554 (or 3614552 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 2009612516 is about 44828.7019218714. The cubic root of 2009612516 is about 1261.9363265636.

The spelling of 2009612516 in words is "two billion, nine million, six hundred twelve thousand, five hundred sixteen".