10198681814 has 16 divisors (see below), whose sum is σ = 15400419840. Its totient is φ = 5065262400.

The previous prime is 10198681811. The next prime is 10198681861. The reversal of 10198681814 is 41818689101.

It is a happy number.

It is a super-2 number, since 2×10198681814² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10198681811) 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 7 ways as a sum of consecutive naturals, for example, 385442 + ... + 411050.

It is an arithmetic number, because the mean of its divisors is an integer number (962526240).

Almost surely, 2^10198681814 is an apocalyptic number.

10198681814 is a deficient number, since it is larger than the sum of its proper divisors (5201738026).

10198681814 is a wasteful number, since it uses less digits than its factorization.

10198681814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26935.

The product of its (nonzero) digits is 110592, while the sum is 47.

The spelling of 10198681814 in words is "ten billion, one hundred ninety-eight million, six hundred eighty-one thousand, eight hundred fourteen".