17094552421 has 4 divisors (see below), whose sum is σ = 17188997644. Its totient is φ = 17000107200.

The previous prime is 17094552413. The next prime is 17094552427. The reversal of 17094552421 is 12425549071.

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 6628239396 + 10466313025 = 81414^2 + 102305^2 .

It is a cyclic number.

It is not a de Polignac number, because 17094552421 - 2³ = 17094552413 is a prime.

It is a super-2 number, since 2×17094552421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17094552427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47222340 + ... + 47222701.

It is an arithmetic number, because the mean of its divisors is an integer number (4297249411).

Almost surely, 2^17094552421 is an apocalyptic number.

It is an amenable number.

17094552421 is a deficient number, since it is larger than the sum of its proper divisors (94445223).

17094552421 is an equidigital number, since it uses as much as digits as its factorization.

17094552421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94445222.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 17094552421 in words is "seventeen billion, ninety-four million, five hundred fifty-two thousand, four hundred twenty-one".