2354891793217 has 4 divisors (see below), whose sum is σ = 2418537517396. Its totient is φ = 2291246069040.

The previous prime is 2354891793187. The next prime is 2354891793227. The reversal of 2354891793217 is 7123971984532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2285853705216 + 69038088001 = 1511904^2 + 262751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2354891793217 - 2¹⁵ = 2354891760449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2354891793227) 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 3 ways as a sum of consecutive naturals, for example, 31822862034 + ... + 31822862107.

It is an arithmetic number, because the mean of its divisors is an integer number (604634379349).

Almost surely, 2^{2354891793217} is an apocalyptic number.

It is an amenable number.

2354891793217 is a deficient number, since it is larger than the sum of its proper divisors (63645724179).

2354891793217 is an equidigital number, since it uses as much as digits as its factorization.

2354891793217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63645724178.

The product of its digits is 22861440, while the sum is 61.

The spelling of 2354891793217 in words is "two trillion, three hundred fifty-four billion, eight hundred ninety-one million, seven hundred ninety-three thousand, two hundred seventeen".