2005097540689 has 8 divisors (see below), whose sum is σ = 2093105693952. Its totient is φ = 1917158554080.

The previous prime is 2005097540681. The next prime is 2005097540713. The reversal of 2005097540689 is 9860457905002.

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 2005097540689 - 2³ = 2005097540681 is a prime.

It is a super-2 number, since 2×2005097540689² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005097540681) 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, 17232409 + ... + 17348374.

It is an arithmetic number, because the mean of its divisors is an integer number (261638211744).

Almost surely, 2^{2005097540689} is an apocalyptic number.

It is an amenable number.

2005097540689 is a deficient number, since it is larger than the sum of its proper divisors (88008153263).

2005097540689 is a wasteful number, since it uses less digits than its factorization.

2005097540689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34583327.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 2005097540689 in words is "two trillion, five billion, ninety-seven million, five hundred forty thousand, six hundred eighty-nine".