2009758457 has 8 divisors (see below), whose sum is σ = 2298307200. Its totient is φ = 1721569824.

The previous prime is 2009758403. The next prime is 2009758481. The reversal of 2009758457 is 7548579002.

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 not a de Polignac number, because 2009758457 - 2¹² = 2009754361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2009758057) 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, 77957 + ... + 100482.

It is an arithmetic number, because the mean of its divisors is an integer number (287288400).

Almost surely, 2^2009758457 is an apocalyptic number.

It is an amenable number.

2009758457 is a deficient number, since it is larger than the sum of its proper divisors (288548743).

2009758457 is a wasteful number, since it uses less digits than its factorization.

2009758457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180055.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 2009758457 is about 44830.3296552680. The cubic root of 2009758457 is about 1261.9668737114.

The spelling of 2009758457 in words is "two billion, nine million, seven hundred fifty-eight thousand, four hundred fifty-seven".