10398493186 has 4 divisors (see below), whose sum is σ = 15597739782. Its totient is φ = 5199246592.

The previous prime is 10398493169. The next prime is 10398493201. The reversal of 10398493186 is 68139489301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8568279225 + 1830213961 = 92565^2 + 42781^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599623295 + ... + 2599623298.

Almost surely, 2^10398493186 is an apocalyptic number.

10398493186 is a deficient number, since it is larger than the sum of its proper divisors (5199246596).

10398493186 is an equidigital number, since it uses as much as digits as its factorization.

10398493186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199246595.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 10398493186 in words is "ten billion, three hundred ninety-eight million, four hundred ninety-three thousand, one hundred eighty-six".