2009617061 has 8 divisors (see below), whose sum is σ = 2115877920. Its totient is φ = 1903405392.

The previous prime is 2009617013. The next prime is 2009617097. The reversal of 2009617061 is 1607169002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2009617061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009617261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96191 + ... + 115203.

It is an arithmetic number, because the mean of its divisors is an integer number (264484740).

Almost surely, 2^2009617061 is an apocalyptic number.

It is an amenable number.

2009617061 is a deficient number, since it is larger than the sum of its proper divisors (106260859).

2009617061 is a wasteful number, since it uses less digits than its factorization.

2009617061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24595.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2009617061 is about 44828.7526148118. The cubic root of 2009617061 is about 1261.9372779072.

The spelling of 2009617061 in words is "two billion, nine million, six hundred seventeen thousand, sixty-one".