2009744157 has 8 divisors (see below), whose sum is σ = 2706190560. Its totient is φ = 1326563600.

The previous prime is 2009744083. The next prime is 2009744201. The reversal of 2009744157 is 7514479002.

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

It is a cyclic number.

It is not a de Polignac number, because 2009744157 - 2¹⁰ = 2009743133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009744257) 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 7 ways as a sum of consecutive naturals, for example, 3316107 + ... + 3316712.

It is an arithmetic number, because the mean of its divisors is an integer number (338273820).

Almost surely, 2^2009744157 is an apocalyptic number.

It is an amenable number.

2009744157 is a deficient number, since it is larger than the sum of its proper divisors (696446403).

2009744157 is a wasteful number, since it uses less digits than its factorization.

2009744157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632923.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 2009744157 is about 44830.1701647451. The cubic root of 2009744157 is about 1261.9638806205.

The spelling of 2009744157 in words is "two billion, nine million, seven hundred forty-four thousand, one hundred fifty-seven".