10042173817 has 4 divisors (see below), whose sum is σ = 10814648740. Its totient is φ = 9269698896.

The previous prime is 10042173767. The next prime is 10042173833. The reversal of 10042173817 is 71837124001.

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 1728563776 + 8313610041 = 41576^2 + 91179^2 .

It is a cyclic number.

It is not a de Polignac number, because 10042173817 - 2¹⁵ = 10042141049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10042173857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386237442 + ... + 386237467.

It is an arithmetic number, because the mean of its divisors is an integer number (2703662185).

Almost surely, 2^10042173817 is an apocalyptic number.

It is an amenable number.

10042173817 is a deficient number, since it is larger than the sum of its proper divisors (772474923).

10042173817 is an equidigital number, since it uses as much as digits as its factorization.

10042173817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772474922.

The product of its (nonzero) digits is 9408, while the sum is 34.

Adding to 10042173817 its reverse (71837124001), we get a palindrome (81879297818).

The spelling of 10042173817 in words is "ten billion, forty-two million, one hundred seventy-three thousand, eight hundred seventeen".