17130421810 has 16 divisors (see below), whose sum is σ = 30840270552. Its totient is φ = 6850944000.

The previous prime is 17130421799. The next prime is 17130421813. The reversal of 17130421810 is 1812403171.

It can be written as a sum of positive squares in 4 ways, for example, as 16296309649 + 834112161 = 127657^2 + 28881^2 .

It is a super-2 number, since 2×17130421810² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17130421813) 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, 93231 + ... + 207250.

Almost surely, 2^17130421810 is an apocalyptic number.

17130421810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17130421810 is a deficient number, since it is larger than the sum of its proper divisors (13709848742).

17130421810 is a wasteful number, since it uses less digits than its factorization.

17130421810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306189.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 17130421810 its reverse (1812403171), we get a palindrome (18942824981).

The spelling of 17130421810 in words is "seventeen billion, one hundred thirty million, four hundred twenty-one thousand, eight hundred ten".