2152258730717 has 8 divisors (see below), whose sum is σ = 2154429675000. Its totient is φ = 2150088505344.

The previous prime is 2152258730711. The next prime is 2152258730731. The reversal of 2152258730717 is 7170378522512.

It can be written as a sum of positive squares in 4 ways, for example, as 1522092196 + 2150736638521 = 39014^2 + 1466539^2 .

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 2152258730717 - 2⁴ = 2152258730701 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 (2152258730711) 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, 5914709 + ... + 6268037.

It is an arithmetic number, because the mean of its divisors is an integer number (269303709375).

Almost surely, 2^{2152258730717} is an apocalyptic number.

It is an amenable number.

2152258730717 is a deficient number, since it is larger than the sum of its proper divisors (2170944283).

2152258730717 is a wasteful number, since it uses less digits than its factorization.

2152258730717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359455.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 2152258730717 in words is "two trillion, one hundred fifty-two billion, two hundred fifty-eight million, seven hundred thirty thousand, seven hundred seventeen".