10208401018 has 4 divisors (see below), whose sum is σ = 15312601530. Its totient is φ = 5104200508.

The previous prime is 10208401003. The next prime is 10208401051. The reversal of 10208401018 is 81010480201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81010480201 = 7 ⋅11572925743.

It can be written as a sum of positive squares in only one way, i.e., 7183071009 + 3025330009 = 84753^2 + 55003^2 .

It is a super-3 number, since 3×10208401018³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10208400983 and 10208401001.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2552100253 + ... + 2552100256.

Almost surely, 2^10208401018 is an apocalyptic number.

10208401018 is a deficient number, since it is larger than the sum of its proper divisors (5104200512).

10208401018 is an equidigital number, since it uses as much as digits as its factorization.

10208401018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104200511.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 10208401018 its reverse (81010480201), we get a palindrome (91218881219).

The spelling of 10208401018 in words is "ten billion, two hundred eight million, four hundred one thousand, eighteen".